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ASAIR DHT21/AM2301 Temperature Humidity Sensor
$5.9500
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SKU
SEN-10-018
Volume discounts:
- +25 5 % $5.6800
- +50 7 % $5.5500
- +100 9 % $5.4200
- +300 11 % $5.2800
- +500 13 % $5.1500
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YL-69 Soil Moisture Detection Sensor Module Previous 
ASAIR DHT21/AM2301 Temperature Humidity Sensor is a single-bus digital sensor module for temperature and humidity measurement. It provides a calibrated digital output and supports long-distance data transmission. The module is designed with low power consumption, small size, and stable long-term operation. It uses a polymer capacitive humidity sensing element and supports fast response and noise resistance.
This ASAIR DHT21/AM2301 Temperature Humidity Sensor is suitable for measurement and control applications that require digital humidity and temperature sensing. It offers automatic calibration and direct digital signal output for simple integration.
Features of ASAIR DHT21/AM2301 Temperature Humidity Sensor
- Single-bus digital output
- Fully calibrated digital signal
- Low power consumption
- Small size
- Fast response
- Noise resistance
- Long-term stability
- Automatic calibration
- 20-meter data transmission
- Polymer capacitive humidity sensing element
Specifications of ASAIR DHT21/AM2301 Temperature Humidity Sensor
- Model: AM2301
- Input Voltage: 3.5V ~ 5.5V
- Measuring Current: 1mA ~ 1.5mA
- Humidity Range: 0-100% RH
- Temperature Range: -40„ ~ +80„
- Humidity Accuracy: ± 2% RH
- Temperature Accuracy: ± 0.5 „
- Wire Length: 25cm
- Size: 59mm x 27mm x 13mm
How to Use ASAIR DHT21/AM2301 Temperature Humidity Sensor
- Connect the sensor to a compatible digital single-bus interface.
- Apply power within the specified input voltage range.
- Read the digital temperature and humidity output from the sensor.
More Info
- Uses an 8-bit microcontroller-based module design.
- Supports long-distance transmission up to 20 meters.
- Suitable for humidity and temperature measurement and control applications.
| Interface Type | Digital |
|---|---|
| Operating Voltage (V) | 3 to 5.5 V DC |
| Operating Current (mA) | 1 to 1.5 mA |
| Operating Temp (°C) | -40 to 80 °C |
| Dimensions (mm) | 59 x 27 x 13.5 mm |
| Output Type | Digital |
| Accuracy | Humidity: ±3%RH, Temperature: ±1°C |
| Resolution | Humidity: 0.1%RH, Temperature: 0.1°C |
| Response Time | < 5s |
| Measurement Range | Humidity: 0 to 100%RH, Temperature: -40 to 80°C |
| Environmental Parameter | Temperature And Humidity |
| Probe Type | Capacitive |
| Weight (g) | 14 |
| Chipset | AM2301/DHT21 |
| Humidity Range | 0 to 100%RH |
| Relay Output | No |
| Humidity Accuracy | ±3%RH |
| Protocols | Single-wire serial |
| Temp Accuracy | ±1°C |
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