{"id":24905,"date":"2023-08-15T12:07:05","date_gmt":"2023-08-15T12:07:05","guid":{"rendered":"https:\/\/electropeak.com\/learn\/?p=24905"},"modified":"2024-02-18T05:14:35","modified_gmt":"2024-02-18T05:14:35","slug":"how-to-use-a-multimeter-beginners-guide","status":"publish","type":"post","link":"https:\/\/electropeak.com\/learn\/how-to-use-a-multimeter-beginners-guide\/","title":{"rendered":"How to Use a Multimeter &#8211; Beginner&#8217;s Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"24905\" class=\"elementor elementor-24905\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-77885aa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"77885aa\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cffa96b\" data-id=\"cffa96b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b8418f elementor-widget elementor-widget-heading\" data-id=\"9b8418f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d60ddb7 elementor-widget elementor-widget-text-editor\" data-id=\"d60ddb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Learn how to use a multimeter with this comprehensive guide. Whether you&#8217;re a beginner or an experienced DIY enthusiast, mastering the functions of a multimeter is essential for troubleshooting electrical problems. Our step-by-step instructions and practical tips will help you understand the basics of using a multimeter, from measuring voltage and current to testing continuity and resistance. Discover the versatility of this indispensable tool and gain the confidence to tackle electrical projects with ease.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a338ae elementor-widget elementor-widget-heading\" data-id=\"0a338ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What You Will Learn<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23b52f8 elementor-widget elementor-widget-text-editor\" data-id=\"23b52f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Types of multimeters<\/li><li>Main parts of a multimeter<\/li><li>How to Measure voltage, current, resistance, and testing continuity<\/li><li>Testing diodes and diode bridges<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5ce1b3 elementor-widget elementor-widget-heading\" data-id=\"f5ce1b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is a Multimeter?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c187f90 elementor-widget elementor-widget-text-editor\" data-id=\"c187f90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A multimeter is used to measure basic electrical parameters. Its main functions include measuring voltage, current, resistance, and testing continuity. Many multimeters also provide other features such as measuring capacity, temperature, frequency, etc.<\/p><p>A multimeter is often the first tool to use for troubleshooting and testing electrical circuits.<\/p><p>You can purchase a multimeter from <a href=\"https:\/\/electropeak.com\/tools-equipments\/multi-meter\">here<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6a83c1 elementor-widget elementor-widget-image\" data-id=\"d6a83c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"864\" height=\"648\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter.jpg\" class=\"attachment-large size-large wp-image-26092\" alt=\"Digital multimeter front view with LCD display, dial, and probe ports\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter.jpg 864w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-533x400.jpg 533w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-400x300.jpg 400w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-768x576.jpg 768w\" sizes=\"(max-width: 864px) 100vw, 864px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c9863b elementor-widget elementor-widget-heading\" data-id=\"0c9863b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Different Types of Multimeters<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46166ba elementor-widget elementor-widget-text-editor\" data-id=\"46166ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Multimeters come in various styles, sizes, and prices. The main differences between multimeters are the measurement parameters and resolution. To use a multimeter properly, first you need to know their types.<\/p><p>Based on their display, multimeters are divided into two categories: Digital and Analog.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c6bc52 elementor-widget elementor-widget-heading\" data-id=\"8c6bc52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dial Multimeter (analog)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ab7e5f elementor-widget elementor-widget-text-editor\" data-id=\"9ab7e5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Analog Multimeters display the measures using a graded scale and a moving pointer. The image below shows a model of an analog multimeter.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03df4c4 elementor-widget elementor-widget-image\" data-id=\"03df4c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/analog-multimeter-600-450-1200x750.jpg\" class=\"attachment-large size-large wp-image-26093\" alt=\"Analog multimeter with needle display and manual selection dial\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/analog-multimeter-600-450-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/analog-multimeter-600-450-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6460bef elementor-widget elementor-widget-heading\" data-id=\"6460bef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Digital Multimeter<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb69a76 elementor-widget elementor-widget-text-editor\" data-id=\"fb69a76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Digital multimeters have an LCD screen that displays values \u200b\u200bas digital numbers, making them easier to work with. The image below shows a digital multimeter.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e882b9 elementor-widget elementor-widget-image\" data-id=\"2e882b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-600-450.jpg\" class=\"attachment-large size-large wp-image-26094\" alt=\"Digital multimeter with LCD screen and rotary selector\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-600-450.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-600-450-533x400.jpg 533w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/digital-multi-meter-600-450-400x300.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a43498 elementor-alert-info elementor-widget elementor-widget-alert\" data-id=\"7a43498\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Tip<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">It is highly recommended to choose a digital multimeter due to its user-friendly nature and smaller errors.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3344ceb elementor-widget elementor-widget-text-editor\" data-id=\"3344ceb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Multimeters fall into other categories based on their measurement range: (1) Auto-range, and (2) Manual.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-438a5ad elementor-widget elementor-widget-heading\" data-id=\"438a5ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Manual Multimeter<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d53a71 elementor-widget elementor-widget-text-editor\" data-id=\"2d53a71\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In these multimeters, you must first select the approximate range for the parameter you want to measure. For example, say you want to measure resistance. As you can see in the image below (blue box), several default ranges are on the multimeter. All you need to do is choose one of the ranges using the knob.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49cac01 elementor-widget elementor-widget-image\" data-id=\"49cac01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/manual-multimeter-400-300-1.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"manual-multimeter-400-300\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYwOTYsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvbWFudWFsLW11bHRpbWV0ZXItNDAwLTMwMC0xLmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/manual-multimeter-400-300-1-1200x750.jpg\" class=\"attachment-large size-large wp-image-26096\" alt=\"Manual-range multimeter with selectable resistance ranges\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/manual-multimeter-400-300-1-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/manual-multimeter-400-300-1-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebb8ad8 elementor-alert-warning elementor-widget elementor-widget-alert\" data-id=\"ebb8ad8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Note<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">If you are unsure of the approximate value, you can start with a different range and then switch to the correct one for more accurate results.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee5da23 elementor-widget elementor-widget-heading\" data-id=\"ee5da23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Auto-range Multimeter<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e44911 elementor-widget elementor-widget-text-editor\" data-id=\"8e44911\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Auto-range multimeters simplify the measurement process by automatically selecting the appropriate range, eliminating the need for manual selection.<\/p><p>For example, to measure resistance, set the selection knob to the &#8220;\u03a9&#8221; mode, and the multimeter will handle the range automatically (image below).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54764f7 elementor-widget elementor-widget-image\" data-id=\"54764f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/auto-range-multimeter-400-300.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"auto-range-multimeter-400-300\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYwOTcsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvYXV0by1yYW5nZS1tdWx0aW1ldGVyLTQwMC0zMDAuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/auto-range-multimeter-400-300-1200x750.jpg\" class=\"attachment-large size-large wp-image-26097\" alt=\"Auto-range multimeter set to resistance mode\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/auto-range-multimeter-400-300-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/auto-range-multimeter-400-300-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29143ab elementor-widget elementor-widget-heading\" data-id=\"29143ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Different Parts of Multimeter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e4289e elementor-widget elementor-widget-image\" data-id=\"4e4289e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-600-577.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"multi-meter-sections-600-577\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYwOTgsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvbXVsdGktbWV0ZXItc2VjdGlvbnMtNjAwLTU3Ny5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-600-577-1200x750.jpg\" class=\"attachment-large size-large wp-image-26098\" alt=\"Labeled multimeter parts showing display, dial, ports, and probe areas\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-600-577-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-600-577-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32421b2 elementor-widget elementor-widget-heading\" data-id=\"32421b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Display<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf406d0 elementor-widget elementor-widget-text-editor\" data-id=\"bf406d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A screen that shows the values.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-049f293 elementor-widget elementor-widget-heading\" data-id=\"049f293\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Selection Knob<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07d9075 elementor-widget elementor-widget-text-editor\" data-id=\"07d9075\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The &#8220;Selection Knob&#8221; allows you to specify what you want to measure. For example, to measure DC voltage, turn this knob to the \u201cV\u201d mode with straight lines.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c410ff4 elementor-widget elementor-widget-heading\" data-id=\"c410ff4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Port<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa0acb1 elementor-widget elementor-widget-text-editor\" data-id=\"aa0acb1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ports are where we plug in the measurement probes.<\/p><p><strong>Most multimeters have three ports<\/strong>:<\/p><ul><li><strong>COM<\/strong>: the common port for the black probe.<\/li><li><strong>mAV\u03a9<\/strong>: the port for the red probe.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acd654b elementor-alert-warning elementor-widget elementor-widget-alert\" data-id=\"acd654b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Note<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">These two ports handle most functions such as measuring voltage, resistance, and current (just a few milliamps). So we often plug the probes into these two ports.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80d060d elementor-widget elementor-widget-text-editor\" data-id=\"80d060d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>10A port<\/strong>: when we want to measure a current value higher than 200mA. In this case, we plug the red probe into this port and the black probe into the &#8220;COM&#8221; port.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c80886 elementor-alert-danger elementor-widget elementor-widget-alert\" data-id=\"4c80886\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Warning<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">On some multimeters, the number written next to the third port may be less or more than 10A. The multimeter can safely measure up to this limit without risking any damage. However, we must keep the measurement time short to avoid potential harm to the multimeter.<br>When measuring high current values, it is often recommended to use a clamp meter.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-047f235 elementor-widget elementor-widget-text-editor\" data-id=\"047f235\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0In some multimeters, the &#8220;mAV\u03a9&#8221; port is divided into two separate ports: \u201c<strong>V\u03a9<\/strong>\u201d for voltage and resistance, and \u201c<strong>\u00b5AmA<\/strong>\u201d for current measurements in \u00b5A and mA. These multimeters usually offer higher resolutions for current values.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b7b7b7 elementor-widget elementor-widget-heading\" data-id=\"4b7b7b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Measurement Probes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0383dc4 elementor-widget elementor-widget-text-editor\" data-id=\"0383dc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Red and black wires are used for the physical testing of electronic components. Each of these wires has a sharp tip on one end and a banana plug on the other. The tip should be connected to the component, while the banana plug is inserted into one of the ports on the multimeter.<\/p><p>Although there is no practical difference between the black and red probes, it is common practice to plug the black probe into the COM port and use it as Gnd when measuring voltage or current.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1b2fce elementor-widget elementor-widget-heading\" data-id=\"d1b2fce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Use a Multimeter: Measuring Voltage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-688dfd4 elementor-widget elementor-widget-text-editor\" data-id=\"688dfd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You can measure both AC and DC voltages using a multimeter.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2915e0 elementor-alert-warning elementor-widget elementor-widget-alert\" data-id=\"a2915e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Note<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Many electronic devices, such as batteries, chargers, and components, operate on a DC voltage (Direct Current).<br>On the other hand, the city power voltage is typically an AC voltage (Alternating Current).<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad82a34 elementor-widget elementor-widget-text-editor\" data-id=\"ad82a34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>V with a straight line indicates DC voltage.<\/li><li>V with a curved line indicates AC voltage.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-766d961 elementor-widget elementor-widget-image\" data-id=\"766d961\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/AC-DC-voltage-symbol-400-95.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"How to measure voltage with multimeter\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYwOTksInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvQUMtREMtdm9sdGFnZS1zeW1ib2wtNDAwLTk1LmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/AC-DC-voltage-symbol-400-95-1200x750.jpg\" class=\"attachment-large size-large wp-image-26099\" alt=\"AC and DC voltage symbols on a multimeter dial\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/AC-DC-voltage-symbol-400-95-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/AC-DC-voltage-symbol-400-95-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e407a4 elementor-alert-danger elementor-widget elementor-widget-alert\" data-id=\"7e407a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Warning<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">When measuring voltage, especially AC and DC voltages larger than 50, we must always follow safety precautions to prevent serious injuries or even death. The basic precautions include wearing insulating gloves and not touching the conductive points.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dfb026 elementor-widget elementor-widget-text-editor\" data-id=\"4dfb026\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To measure the voltage drop across a component, connect the probes in parallel to the component terminals. For example, connect the probes to the resistor terminals as shown in the image below to measure the voltage drop.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd42e51 elementor-widget elementor-widget-image\" data-id=\"cd42e51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/parallel-connection-multimeter-300-300-1200x750.jpg\" class=\"attachment-large size-large wp-image-26100\" alt=\"Multimeter connected in parallel across a component for voltage measurement\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/parallel-connection-multimeter-300-300-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/parallel-connection-multimeter-300-300-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f456701 elementor-widget elementor-widget-text-editor\" data-id=\"f456701\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To measure voltage, follow these steps:<\/p><ul><li><strong>Step 1:<\/strong> Set the knob to voltage (V) mode (AC or DC). Specify the range if not using an auto-range multimeter.<\/li><li><strong>Step 2:<\/strong> Plug the black probe into the COM port and the red probe into the mAV\u03a9 port.<\/li><li><strong>Step 3:<\/strong> Connect the red probe to the component&#8217;s positive terminal (where current enters) and the black probe to the negative terminal.<\/li><li><strong>Step 4:<\/strong>Read the value displayed on the screen.<\/li><\/ul><p>This value is the voltage drop across the component. If the value is negative, it means that the red probe is connected to the negative terminal and the black probe to the positive terminal.<\/p><p>Please note that when measuring AC voltages, the values shown on the screen are in RMS (Root Mean Square), which is not covered in this article.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-649d313 elementor-widget elementor-widget-heading\" data-id=\"649d313\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"> Battery Voltage Measurement<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-275a9d8 elementor-widget elementor-widget-text-editor\" data-id=\"275a9d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In this example, we will be measuring the voltage of a 1.5V battery. When selecting the range on the multimeter, it&#8217;s important to choose a setting that can accurately measure the 1.5V, such as the 2V range in this case. For those using an autorange multimeter, there is no need to manually select the range.<\/p><p>If the voltage value is unknown, it may be necessary to try several ranges when measuring the voltage of an unknown source. If the selected range is lower than the actual value, the display will show &#8220;1,&#8221; indicating that the voltage exceeds the selected range. Opting for a higher range will often allow the voltage value to be displayed, albeit with slightly less precision.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0fbdfb elementor-widget elementor-widget-image\" data-id=\"c0fbdfb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-voltage-measuring-600-560.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"multi meter-voltage-measuring-600-560\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMDQsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvbXVsdGktbWV0ZXItdm9sdGFnZS1tZWFzdXJpbmctNjAwLTU2MC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-voltage-measuring-600-560-1200x750.jpg\" class=\"attachment-large size-large wp-image-26104\" alt=\"Measuring battery voltage with red and black probes on battery terminals\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-voltage-measuring-600-560-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-voltage-measuring-600-560-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ec538a elementor-widget elementor-widget-heading\" data-id=\"1ec538a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What happens if you switch the red and the black probe in Voltage measurement?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-636d7df elementor-widget elementor-widget-text-editor\" data-id=\"636d7df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Nothing dangerous will happen.<\/strong> The multimeter displays a negative reading, which is not a cause for concern. When measuring voltage, the multimeter compares the voltage at the positive terminal to the common probe. For instance, the voltage at the positive terminal of the battery in relation to the common probe is 1.5V. If the probes are switched, defining the positive terminal as the common or zero point, the voltage at the negative terminal in relation to our new zero is -1.5V.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-033930a elementor-widget elementor-widget-heading\" data-id=\"033930a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Use a Multimeter: Measuring Current<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f31655 elementor-alert-warning elementor-widget elementor-widget-alert\" data-id=\"3f31655\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Note<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Electric current refers to the amount of electric charge passing through a point (line) per second. Unlike electric voltage, which represents the potential difference between two points, electric current is defined for a single point (line).<br>To measure current, connect the two tips in series with the open points, as shown in the image below<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2364608 elementor-widget elementor-widget-image\" data-id=\"2364608\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/Current-measuring-multimeter-300-316-1200x750.jpg\" class=\"attachment-large size-large wp-image-26105\" alt=\"Multimeter connected in series for current measurement\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/Current-measuring-multimeter-300-316-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/Current-measuring-multimeter-300-316-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca75e95 elementor-widget elementor-widget-text-editor\" data-id=\"ca75e95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the image above, the current passing through all the elements is the same. To help you understand, let&#8217;s use an example. Think of the current as water flowing through a pipe. The <span style=\"letter-spacing: 0px;\">water\u00a0<\/span><span style=\"letter-spacing: 0px;\">flow will be the same everywhere unless a new inlet or outlet line is added to the main pipe.<\/span><\/p><p><strong>To measure the current using a multimeter, follow the steps below<\/strong><strong>:<\/strong><\/p><ul><li><strong>Step 1:<\/strong> Set the knob to the current mode marked as &#8220;A.&#8221; Specify the range if not using an auto-range multimeter.<\/li><li><strong>Step 2: <\/strong>Plug the black probe into the COM port. Plug the red probe into the mAV\u03a9 port if the current value is a few milliamps or less. However, if you are sure or even have doubts that the current is larger than 200-300 mA, plug the red probe into the \u201c10A\u201d port.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4de6e0 elementor-alert-danger elementor-widget elementor-widget-alert\" data-id=\"a4de6e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Warning<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">The multimeter might be severely damaged if the probes are not properly plugged in when measuring the current.<br>In addition, the multimeter can only handle an instant current of up to 10A. So, if a current of about 10A runs through it for more than a few seconds, the multimeter will be significantly damaged.<br>We use a clamp meter to measure large amounts of current such as household appliances or industrial power lines.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e5752e elementor-widget elementor-widget-text-editor\" data-id=\"6e5752e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When measuring the current of a component\u2014a resistor, for example\u2014select one resistor terminal, break it, and then connect the two tips to the open points. In this scenario, the multimeter acts like a wire; when you disconnect it, the current value will be zero.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b2e0d4 elementor-widget elementor-widget-image\" data-id=\"3b2e0d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-current-measuring-800-500.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"multi-meter-current-measuring-800-500\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMDYsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvbXVsdGktbWV0ZXItY3VycmVudC1tZWFzdXJpbmctODAwLTUwMC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-current-measuring-800-500-1200x750.jpg\" class=\"attachment-large size-large wp-image-26106\" alt=\"Multimeter inserted in series to measure current through a circuit path\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-current-measuring-800-500-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-current-measuring-800-500-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de76e8e elementor-alert-warning elementor-widget elementor-widget-alert\" data-id=\"de76e8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Note<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Electric current flows from a point of higher potential to a lower potential. There is no difference between the red and black probes while measuring the current. Just remember that a positive current value on the screen indicates that the current is flowing from the red probe toward the black probe. Conversely, if you see a negative value, the current is flowing from the black probe toward the red probe. By switching the probes, the sign of the current value should change accordingly.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00371ed elementor-widget elementor-widget-heading\" data-id=\"00371ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Use A Multimeter: Measuring Resistance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b3cbba elementor-widget elementor-widget-text-editor\" data-id=\"1b3cbba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Understanding how to use a multimeter for measuring resistance is crucial for diagnosing electrical issues in various devices and circuits.<\/p><p><strong>To measure resistance, follow these steps:<\/strong><\/p><ul><li><strong>Step 1: <\/strong>Set the knob to the resistance mode (\u201c\u03a9\u201d symbol). Specify the range if not using an auto-range multimeter.<\/li><li><strong>Step 2: <\/strong>As usual, plug the black probe into the COM port and the red probe into the mAV\u03a9 port.<\/li><li><strong>Step 3: <\/strong>Connect the two probes in parallel with the two resistor terminals (image below). (Since resistors don\u2019t have a positive or negative pin, it doesn\u2019t matter which terminal you connect the probes to.)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c728ae9 elementor-widget elementor-widget-image\" data-id=\"c728ae9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-resistor-test-600-532-1200x750.jpg\" class=\"attachment-large size-large wp-image-26107\" alt=\"Measuring resistor value with multimeter probes across both leads\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-resistor-test-600-532-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-resistor-test-600-532-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b1328c elementor-widget elementor-widget-heading\" data-id=\"5b1328c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Use A Multimeter: Continuity Test<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1abf0db elementor-widget elementor-widget-text-editor\" data-id=\"1abf0db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The continuity test, a crucial technique in circuit repair and troubleshooting, is employed to ascertain the presence of a conductive path between two points. It is instrumental in identifying broken connections or unintended continuity within a circuit. <strong>To perform a continuity test, follow these steps<\/strong> on how to use a multimeter:<\/p><ul><li>Turn off the power supply or disconnect it from the circuit to ensure there is no voltage or current.<\/li><li>Set the knob to the continuity test mode (a symbol like \u201c\u266c\u201d or similar to the image below.)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a615203 elementor-widget elementor-widget-image\" data-id=\"a615203\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-1200x750.jpg\" class=\"attachment-large size-large wp-image-26108\" alt=\"Continuity test symbol on multimeter dial\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dfc56a elementor-widget elementor-widget-text-editor\" data-id=\"2dfc56a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>As usual, plug the black probe into the COM port and the red probe into the mAV\u03a9 port.<\/li><li>To test the multimeter, press the tips against each other. You should hear a beep and see a small number (less than twenty or thirty) on the screen. This beep indicates continuity.<\/li><li>Connect the tips to the points you want to test. If you hear a beep, it indicates continuity between the two points. And the number on the screen represents the resistance between them.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e211be elementor-widget elementor-widget-image\" data-id=\"8e211be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-continuity-test.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"multi-meter-continuity-test\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMDksInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvbXVsdGktbWV0ZXItY29udGludWl0eS10ZXN0LmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-continuity-test-1200x750.jpg\" class=\"attachment-large size-large wp-image-26109\" alt=\"Continuity test across two circuit points with multimeter probes\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-continuity-test-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-continuity-test-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c1f9f4 elementor-widget elementor-widget-heading\" data-id=\"3c1f9f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Use A Multimeter: Diode Test<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0b34ec elementor-widget elementor-widget-text-editor\" data-id=\"a0b34ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Diode is one of the most popular components in electronic circuits. The diode test process is also quite simple.<\/p><p>First, set the knob to the diode test mode. (The diode test symbol looks the same as the diode electronic symbol shown in the image below. Also, the diode test and continuity test modes are often the same.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f5e6d0 elementor-widget elementor-widget-image\" data-id=\"3f5e6d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-1.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"continuity-symbol-400-225\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMTAsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvY29udGludWl0eS1zeW1ib2wtNDAwLTIyNS0xLmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-1-1200x750.jpg\" class=\"attachment-large size-large wp-image-26110\" alt=\"Diode test symbol on multimeter dial\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-1-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/continuity-symbol-400-225-1-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfc9e23 elementor-widget elementor-widget-text-editor\" data-id=\"bfc9e23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Press the red probe tip against the diode&#8217;s positive terminal and the black probe tip against the negative terminal. The display should show a number called the diode offset voltage, typically between 0.5 and 0.7 (refer to the diode&#8217;s datasheet for exact specifications if available).<\/p><p>Now, if the multimeter beeps or shows a very small value, it indicates that the diode is shorted and defective.<\/p><p>\u00a0Switch the probes, connecting the positive terminal of the diode to the black probe and the negative terminal to the red probe. You should either see a very large number or the &#8220;OL&#8221; symbol on the screen. A beep also indicates that the diode is shorted and defective.<\/p><p>If you don&#8217;t know the polarity of the diode pins, the testing process remains the same: (1) connect the probes to the two diode pins and do the test, and (2) switch the pins and repeat the test. Respectively, a small number and a large number (or the &#8220;OL.&#8221; symbol) should be displayed on the screen.<\/p><p><strong>In any case, the diode is broken if:<\/strong><\/p><ul><li>you hear a beep.<\/li><li>you see a large number or the \u201cOL.\u201d symbol on the screen.<\/li><li>you see a small number on the screen.<\/li><\/ul><p>When testing, f the diode is intact and you see a small number on the screen, the terminal connected to the red probe is the diode&#8217;s positive terminal.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-541e98a elementor-widget elementor-widget-image\" data-id=\"541e98a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-diode-test-1200x750.jpg\" class=\"attachment-large size-large wp-image-26111\" alt=\"Multimeter diode test with probes on diode leads\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-diode-test-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-diode-test-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c74a2f elementor-widget elementor-widget-heading\" data-id=\"7c74a2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Use A Multimeter: Diode-Bridge Test<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d394f48 elementor-widget elementor-widget-heading\" data-id=\"d394f48\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is a Diode Bridge?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa32dc5 elementor-widget elementor-widget-text-editor\" data-id=\"aa32dc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A Diode bridge is a practical circuit commonly found in almost all power supplies and LED drivers. Its purpose is to rectify voltage.<\/p><p>A diode bridge consists of four diodes: two input and two output pins. When a sinusoidal voltage is applied to the input pins, the output will show a completely positive voltage (the absolute value of the sinusoidal signal). In the image below, you can see the schematic of a diode bridge with its input and output pins (on the left).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-219a233 elementor-widget elementor-widget-image\" data-id=\"219a233\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-600-338-1200x750.jpg\" class=\"attachment-large size-large wp-image-26112\" alt=\"Diode bridge schematic showing AC inputs and positive and negative outputs\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-600-338-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-600-338-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9583952 elementor-alert-danger elementor-widget elementor-widget-alert\" data-id=\"9583952\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Warning<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Remember to turn off the circuit power when the diode bridge is installed on the board.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1669e28 elementor-widget elementor-widget-text-editor\" data-id=\"1669e28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The diode bridge is typically placed at the beginning of the circuit. If the diode bridge is installed on the board, it is easy to find the input and output pins.<\/p><p>In a diode bride, the current enters the circuit through the input pins, which have no polarity. The current then flows to the rest of the circuit through the output pins.<\/p><p>The diode bridge has positive and negative output pins. If you can\u2019t differentiate the polarities or there is no mark on the board or diode bridge, follow these steps:<\/p><ul><li>Put the multimeter in diode test mode.<\/li><li>Now you have to test four diodes.<\/li><li>Connect the red probe to one of the input pins (image below). And then connect the black probe to one of the output pins. Next, connect the black probe to the other output pin. You should see the \u201cOL.\u201d symbol and a small number, respectively.<\/li><\/ul><p>If you see a small number on the screen, the pin connected to the black probe is the positive pin of the diode bridge output.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3faf6e elementor-widget elementor-widget-image\" data-id=\"a3faf6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/bridge-test-600-400.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"bridge-test-600-400\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMTMsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvYnJpZGdlLXRlc3QtNjAwLTQwMC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/bridge-test-600-400-1200x750.jpg\" class=\"attachment-large size-large wp-image-26113\" alt=\"Probe placement for identifying diode bridge output polarity\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/bridge-test-600-400-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/bridge-test-600-400-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b4622a elementor-widget elementor-widget-text-editor\" data-id=\"8b4622a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As mentioned, you need to test all four diodes to perform a complete test of the diode bridge. These tests are illustrated in the image below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b0d96b elementor-widget elementor-widget-image\" data-id=\"7b0d96b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-test.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"diode-bridge-test\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMTQsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvZGlvZGUtYnJpZGdlLXRlc3QuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-test-1200x750.jpg\" class=\"attachment-large size-large wp-image-26114\" alt=\"Complete diode bridge test pattern showing expected forward and OL readings\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-test-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/diode-bridge-test-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7596d00 elementor-widget elementor-widget-text-editor\" data-id=\"7596d00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the image above, the multimeter should display a small number for the yellow section and \u201cOL.\u201d for the rest.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b4a54a elementor-alert-danger elementor-widget elementor-widget-alert\" data-id=\"1b4a54a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Warning<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Various diode-bridge models may have different positive and negative pins, but the testing process is generally the same. These tests can help us identify the pin polarity if the diode bridge is intact.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de6e165 elementor-widget elementor-widget-heading\" data-id=\"de6e165\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Multimeter Symbols<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d035d40 elementor-widget elementor-widget-text-editor\" data-id=\"d035d40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>So far, we have covered the main functions of a multimeter, yet they can do much more. Also, each of these functions has a symbol. For more details, you can see the image below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99dd6f6 elementor-widget elementor-widget-image\" data-id=\"99dd6f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"multi-meter-sections\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjYxMTUsInVybCI6Imh0dHBzOlwvXC9lbGVjdHJvcGVhay5jb21cL2xlYXJuXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wNlwvbXVsdGktbWV0ZXItc2VjdGlvbnMuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1140\" height=\"713\" src=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-1200x750.jpg\" class=\"attachment-large size-large wp-image-26115\" alt=\"Multimeter dial symbols for voltage, current, resistance, continuity, and other functions\" srcset=\"https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-600x375.jpg 600w, https:\/\/electropeak.com\/learn\/wp-content\/uploads\/2023\/06\/multi-meter-sections-768x480.jpg 768w\" sizes=\"(max-width: 1140px) 100vw, 1140px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f203657 elementor-alert-success elementor-widget elementor-widget-alert\" data-id=\"f203657\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Success!<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">We hope this tutorial has been helpful. Feel free to leave a comment if you have any questions, and we will do our best to answer ASAP.<br>Also, if you have any other questions related to electronics, you can share them with us in the ElectroPeak forum.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introduction Learn how to use a multimeter with this comprehensive guide. Whether you&#8217;re a beginner or an experienced DIY enthusiast, mastering the functions of a multimeter is essential for troubleshooting electrical problems. Our step-by-step instructions and practical tips will help you understand the basics of using a multimeter, from measuring voltage and current to testing [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":26125,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4604,1],"tags":[4656,4657,4655,4654],"platform":[],"bytype":[1076],"difficulty":[1077],"related_products":[4813,4812,4814,4815,4816,4817],"class_list":["post-24905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fundamentals","category-uncategorized","tag-measuring-current","tag-measuring-resistance","tag-measuring-voltage","tag-multimeter","bytype-protips","difficulty-beginner","related_products-tls-06-001","related_products-tls-06-007","related_products-tls-06-010","related_products-tls-06-011","related_products-tls-06-012","related_products-tls-06-013"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Use A Multimeter - Beginner&#039;s Guide [2024]<\/title>\n<meta name=\"description\" content=\"Learn how to use a multimeter: voltage, current, and resistance measurement, as well as diode and countinuity test. Using pictures.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/electropeak.com\/learn\/how-to-use-a-multimeter-beginners-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Use A Multimeter - Beginner&#039;s Guide [2024]\" \/>\n<meta property=\"og:description\" content=\"Learn how to use a multimeter: voltage, current, and resistance measurement, as well as diode and countinuity test. 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