ASAIR AM2305B Digital Temperature and Humidity Sensor

The ASAIR AM2305B Digital Temperature and Humidity Sensor is a high-precision, factory-calibrated digital sensor module combining a capacitive humidity sensor and an on-chip temperature sensor. This high precision humidity sensor offers excellent long-term stability, low power consumption, and a compact design with digital signal output via a single-wire interface for easy integration. The sensor performs reliably even in harsh environmental conditions and supports fast response, making it ideal for various environmental monitoring and control applications.

Features:

• Factory-calibrated with excellent accuracy and long-term stability
• High precision: ±0.3°C temperature accuracy and ±3% RH humidity accuracy
• Wide operating voltage range: 3.3 to 5.5V DC
• Measures temperature from -40°C to +80°C and humidity from 0 to 99.9% RH
• Digital 1-wire communication interface for simple integration
• Low power consumption and ultra-small size
• Fast response and strong anti-interference capability
• Signal transmission distance up to 20 meters

Specifications:

• Model Number: AM2305B
• Supply Voltage: 3.3 ~ 5.5V DC
• Temperature Range: -40°C to 80°C
• Temperature Accuracy: ±0.3°C (typical)
• Humidity Range: 0~99.9% RH
• Humidity Accuracy: ±3% RH (typical)
• Resolution: 0.1°C temperature, 0.1% RH humidity
• Interface: Digital single-wire protocol
• Operating Current: 2 to 15 μA (dormant), approx. 1.5 mA (measuring)
• Dimensions: Approx. 11.5 × 11.5 × 5.5 cm

Applications:

• HVAC systems and environmental control
• Data logging and weather stations
• Medical apparatus and instruments
• Industrial automation and automatic control
• Consumer products and home appliances
• Dehumidifiers and ventilators
• Automotive environmental sensing

Package Includes:

• 1 x ASAIR AM2305B Sensor Module – Temperature and Humidity