Product Overview

The Air Temperature & Humidity Sensor is a reliable and cost-effective environmental sensing module designed for monitoring ambient conditions in greenhouse and smart agriculture systems. Built around the proven DHT22 sensor, it provides accurate measurements of temperature and relative humidity for real-time climate control and data analysis. With a simple digital output interface, the sensor integrates easily with Rayyon IoT Controller, making it ideal for scalable monitoring deployments.

Technical Specifications

Sensor Type:

• Digital Temperature & Humidity Sensor
• Based on DHT22

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Air Temperature

• Measurement Range: -40°C to 80°C
• Resolution: 0.1°C
• Accuracy: ±0.5°C
• Repeatability: ±0.2°C

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Air Humidity

• Measurement Range: 0% to 100% RH
• Resolution: 0.1% RH
• Accuracy: ±2% to ±5% RH
• Repeatability: ±1% RH

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Sampling & Response

• Sampling Period: ~2 seconds
• Response Time: Typical slow response (suited for ambient monitoring)

Electrical & Communication

• Interface: Single-wire digital output
• Supply Voltage: 3.3V – 6V
• Low power consumption

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Environmental Specifications

• Operating Temperature: -40°C to +80°C
• Suitable for indoor and protected outdoor use
• Recommended for use with protective housing in high-humidity environments

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Key Features

• Combined temperature and humidity sensing
• Stable and reliable performance
• Easy integration with microcontrollers and IoT systems
• Cost-effective solution for environmental monitoring

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Applications

• Greenhouse climate monitoring
• Smart farming systems
• Indoor environmental monitoring
• IoT-based weather stations