DHT22 Digital Temperature and Humidity Sensor AM2302

Description

Description:

The DHT22 is a basic, low-cost temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding atmosphere and outputs a digital signal to the data pin (no analogue input pins needed).

Features:

• Ultra Low Power
• No Additional Components
• 4 Pin Package
• Excellent Long Term Stability
• All Calibration, Digital Output
• Interchangeable
• Long Distance Signal Transmission
• Relative Humidity and Temperature Measurement

Specifications:

• UAccuracy Resolution: 0.1
• Humidity Range: 0 – 100% RH
• Temperature Range: -40 ~ 80 Degrees
• Humidity Measurement Precision: ± 2% RH
• Temperature Measurement Precision: ± 0.5 Degrees
• 3V to 5V Power and I/O
• 2.5mA Max Current use During Conversion
• Body Size 15.1mm x 25mm x 7.7mm
• 4 Pins with 0.1″ Spacing

Contents:

• 1 x DHT22 Digital Temperature and Humidity Sensor AM2302