DHT11 Digital Temperature and Humidity Sensor

DHT11 Digital Temperature and Humidity Sensor

Description:

DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature and humidity. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability. The sensor includes a resistive sense of wet components and an NTC temperature measurement devices, and connected with a high-performance 8-bit microcontroller

Specifications: 

Relative humidity 
Resolution: 16Bit 
Repeatability: ±1% RH 
Accuracy: At 25℃ ±5% RH 
Interchangeability: fully interchangeable 
Response time: 1 / e (63%) of 25℃ 6s 
1m / s air 6s 
Hysteresis: <± 0.3% RH 
Long-term stability: <± 0.5% RH / yr in 
 
Temperature 
Resolution: 16Bit 
Repeatability: ±0.2℃ 
Range: At 25℃ ±2℃ 
Response time: 1 / e (63%) 10S 
 
Electrical Characteristics 
Power supply: DC 3.5～5.5V 
Supply Current: measurement 0.3mA standby 60μ A 
Sampling period: more than 2 seconds 
 
Pin Description 
1, the VDD power supply 3.5～5.5V DC 
2 DATA serial data, a single bus 
3, NC, empty pin 
4, GND ground, the negative power