SKU: TH1243
The DHT20 Temperature and Humidity Sensor is a high-performance upgrade from the DHT11, designed to provide precise and reliable temperature and humidity measurements. With a dedicated ASIC sensor chip, a silicon-based capacitive humidity sensor, and a standard on-chip temperature sensor, it delivers outstanding accuracy and stability even in challenging environments.
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The DHT20 Temperature and Humidity Sensor is a high-performance upgrade from the DHT11, designed to provide precise and reliable temperature and humidity measurements. With a dedicated ASIC sensor chip, a silicon-based capacitive humidity sensor, and a standard on-chip temperature sensor, it delivers outstanding accuracy and stability even in challenging environments.
It can measure temperature from -40°C to +80°C with an accuracy of ±0.5°C at 25°C and a resolution of 0.01°C and relative humidity from 0% to 100% RH with an accuracy of ±3% RH at 25°C and a resolution of 0.024% RH
Its standard I²C interface ensures seamless integration with a variety of microcontrollers or other devices using the I²C protocol.
Technical specification for DHT20 sensor.
| Model NO. | DHT20 |
|---|---|
| Supply Voltage | 2.2~5.5V DC |
| Temperature Range | -40 ~ +80°C |
| Humidity Range | 0 ~ 100% RH |
| Temperature Accuracy | 0.5°C |
| Humidity Accuracy | ±3% RH (25°C) |
| Temp. Repeatability | 0.1°C/Y |
| Humidity Repeatability | 0.1% RH/Y |
| Temp. Resolution | 0.01°C |
| Humidity Resolution | 0.024% RH |
| Response Time | Temp.: 5~30s (T 63%) RH: <85 (τ 63%) |
| Material | ABS+PC |
| Output signal | 12C |
Pinout for DHT20 sensor.
| Pin | Name | Function |
|---|---|---|
| 1 | VDD | Power Supply 2.2V ~ 5.5V DC |
| 2 | SDA | Serial Data |
| 2 | GND | Ground |
| 4 | SCL | Serial Clock |
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