Product Description

The AHT21B is a kind of sensor of humidity and temperature with digital I²C output. It can be applied to HVAC, dehumidifier, testing and inspection equipment, consumer products, automobiles, automatic control, data loggers, weather stations, home appliances, humidity control, medical and other application fields which need to detect and control temperature and humidity.

Product Features

• Relative humidity and temperature output
• Superior sensor performance, typical accuracy RH: ±3%, T: ±0.5℃
• Fully calibrated and processed digital output, I²C protocol
• Wide voltage support 2.2 to 5.5V DC
• Excellent long-term stability
• Fast-response and anti-interference capability