AM2302 (Wired DHT22) Temperature and Humidity Sensor (Digital Temperature & Humidity Sensor)
The AM2302 (Wired DHT22) Temperature and Humidity Sensor is a high-precision digital environmental sensor designed to measure ambient temperature and relative humidity with excellent accuracy and long-term stability. It features a factory-calibrated capacitive humidity sensing element and an NTC temperature sensor, providing calibrated digital output through a single-wire communication interface. The sensor is supplied with a pre-attached cable for easy installation and is widely used in weather stations, HVAC systems, greenhouse monitoring, home automation, IoT devices, and environmental monitoring applications.
Key Features -
• High-accuracy temperature and humidity measurement
• Factory calibrated digital output
• Single-wire digital communication interface
• Capacitive humidity sensing element
• Integrated NTC temperature sensor
• Low power consumption
• Long cable for convenient installation
• Stable long-term performance
• Fast response time
• Suitable for indoor and outdoor monitoring
Specifications -
• Product type - Digital Temperature and Humidity Sensor
• Model - AM2302 (Wired DHT22)
• Sensor type - Digital Temperature and Humidity Sensor
• Humidity range - 0% to 100% RH
• Humidity accuracy - Plus Minus 2% RH (Typical)
• Temperature range - Minus 40C to 80C
• Temperature accuracy - Plus Minus 0.5C (Typical)
• Operating voltage - 3.3V to 6V DC
• Output type - Single-Wire Digital Signal
• Sampling rate - 0.5Hz (One Reading Every 2 Seconds)
• Cable type - Pre-Attached Cable
Applications -
• Weather stations
• Home automation
• HVAC systems
• Greenhouse monitoring
• Environmental monitoring
• IoT devices
• Data logging systems
• Smart agriculture