Guangzhou Aosong Electronics DHT11 Product Manual
Temperature and Humidity Module
DHT11 Product Manual
For more information, please visit：www.aosong.com
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Aosong Guangzhou Electronics Co., Ltd. Order by phone：4006 305378 Enterprise QQ：4006305378 www.aosong.com
1. Product Overview
DHT11 digital temperature and humidity sensor is a calibrated digital signal output of the
temperature and humidity combined sensor. It uses a dedicated digital modules capture technology
and the temperature and humidity sensor technology to ensure that products with high reliability and
excellent long-term stability. Sensor includes a resistive element and a sense of wet NTC temperature
measurement devices, and with a high-performance 8-bit microcontroller connected .
2. Applications
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive,
automation, data loggers, weather stations, home appliances, humidity regulator, medical and other
relevant humidity measurement and control.
3. Product Highlights
Low-cost, long-term stability, relative humidity and temperature measurement, excellent quality,
fast response, anti-interference ability, long distance signal transmission, the digital signal output,
precise calibration.
4. Dimensions（Unit：mm）
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Aosong Guangzhou Electronics Co., Ltd. Order by phone：4006 305378 Enterprise QQ：4006305378 www.aosong.com
5. Parameters
Relative Humidity
Resolution：16Bit
Repeatability：±1%RH
Accuracy：25℃ ±5%RH
Interchangeability：Fully interchangeable
Response time：1/e (63%)25℃ 6s
1m/s Air 6s
Hysteresis：<±0.3%RH
Long-term stability：<±0.5%RH/yr
Temperature
Resolution：16Bit
Repeatability：±1 ℃
Accuracy：25℃ ±2℃
Response time：1/e (63%) 10S
Electrical Characteristics
Power supply：DC 3.3～5.5V
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