DHT21 DHT22 AM2301 Temperature & Humidity Sensor

DHT21 AM2301 Temperature & Humidity Sensor in Bangladesh (BD)

AM2301 Capacitive Digital Temperature & Humidity Sensor sensor is one of the commonest from the range of DHT temperature sensors; and boasts a relatively high-temperature measurement accuracy of 0.5°C in 0.1°C steps with a relative humidity accuracy of ± 3%. CityTech BD 

It has only 3 wires, including power and ground, meaning only one digital pin is required to interface it to a microcontroller. For Arduino development platforms the sensor is very well supported by the DHT library available from the Arduino Playground website. CityTech BD 

Features:

1. 4-pin package.
2. Ultra-low-power.
3. No additional components.
4. Excellent long-term stability.
5. All calibration, digital output.
6. Completely interchangeable.
7. Long-distance signal transmission.
8. Relative humidity and temperature measurement. CityTech BD 

Specifications:

1. Model: AM2301
2. Power supply: 3.3-5V DC
3. Output signal: digital signal via single-bus
4. Sensing element: Polymer humidity capacitor
5. Measuring range: humidity 0-100%RH; temperature -40~80Celsius
6. Accuracy: humidity +-3%RH(Max +-5%RH); temperature <+-1Celsius
7. Resolution or sensitivity: humidity 0.1%RH; temperature 0.1Celsius
8. Repeatability: humidity +-1%RH; temperature +-0.2Celsius
9. Humidity hysteresis: +-0.3%RH
10. Long-term Stability: +-0.5%RH/year
11. Sensing period: Average: 2s
12. Dimensions size 59*27*13.5mm CityTech BD 

Documentation:

1. DHT21 AM2301 Temperature & Humidity Sensor (HCSENS0026)
2. Humidity and Temperature

Package includes:

1 x DHT21 AM2301 Temperature & Humidity Sensor. CityTech BD