The DC Voltmeter & Ammeter with OLED Display is a compact meter for measuring DC voltage and current at the same time. It supports three current ranges and provides clear OLED readings for everyday monitoring tasks. The unit operates from 4V to 20V and measures voltage up to 100V. It is suitable for battery monitoring, power supply testing, and DIY electronics projects.

Features of DC Voltmeter & Ammeter With OLED Display

Simultaneous voltage and current measurement
OLED display
Three current ranges
Compact panel-mount format

Specifications of DC Voltmeter & Ammeter With OLED Display

Operating Voltage: 4V ~ 20V
Operating Current: < 20mA
Voltage Measurement Range: 0V ~ 100V
Voltage Resolution: 0.1V
Voltage Accuracy: ±0.3% (2 digits)
Current Measurement Range: 3A / 10A / 20A (optional)
Current Resolution: 0.01A
Current Accuracy: ±0.8% (3 digits)
Operating Temperature: -10°C ~ 65°C
Operating Humidity: 10% ~ 80%
Dimensions: 45x27x17mm
Mounting Hole Size: 45x26mm

How to Use DC Voltmeter & Ammeter With OLED Display

Connect the thick red line to the power supply positive input.
Connect the thick black line to the power supply negative input.
Connect the thin yellow line to the voltage measuring positive connection.
Connect the thin red line to the current measuring positive connection.
Connect the thin black line to the current or voltage measuring negative connection.

More Info

Datasheet: Not available
Panel mounting supported by the 45x26mm mounting hole size

More Information

More Information
Operating Voltage (V)	4V ~ 20V
Operating Current (mA)	< 20mA
Operating Temp (°C)	-10°C ~ 65°C
Dimensions (mm)	45x27x17mm
Mounting Type	Panel Mount
Accuracy	±0.3% (2 digits), ±0.8% (3 digits)
Resolution	0.1V, 0.01A
Current Range (A)	3A, 10A, 20A (optional)
Voltage Range (V)	0V ~ 100V
Display Type	OLED
Parameters	Current, Voltage
Humidity Range	10% ~ 80%