DFRobot Gravity NH3 Sensor I2C and UART

The Gravity NH3 Sensor (calibrated) is a high-precision instrument for measuring ammonia concentration in the air, specifically designed for industrial and environmental protection applications. Thanks to its factory calibration, this sensor provides rapid and accurate detection of ammonia traces in a variety of environments. With its ability to communicate via I2C and UART, the sensor can be seamlessly integrated into existing systems. Its robust construction, combined with advanced electrochemistry, ensures a long lifespan and reliable performance. Whether in industrial manufacturing, agricultural operations, or environmental protection projects, the Gravity NH3 Sensor is the ideal choice for anyone needing precise ammonia measurements.

Features:

• Factory calibrated for precise measurements right out of the box.
• Supports three output modes: Analog, I2C, and UART.
• High stability and sensitivity thanks to the electrochemical measurement principle.
• Integrated temperature compensation for accurate measurements under various conditions.
• Long lifespan of over two years in operation.

Application Examples:

• Monitoring air quality in industrial facilities.
• Measuring ammonia in agricultural operations to monitor soil health.
• Use in environmental protection projects for pollutant detection.

Technical Specifications:

• Manufacturer: DFRobot
• Manufacturer SKU: SEN0469
• Detection Gas: Ammonia (NH3)
• Detection Range: 0–100 ppm
• Operating Voltage: 3.3–5.5 V DC
• Operating Current: <5 mA
• Output Signal: I2C, UART (0–3 V), Analog Voltage
• Operating Temperature: -20–50 °C
• Operating Humidity: 15–90 % RH (non-condensing)
• Storage Temperature: -20–50 °C
• Storage Humidity: 15–90 % RH (non-condensing)
• Lifespan: >2 years (in air)
• Compatibility: Arduino, ESP32, Raspberry Pi
• Dimensions: 37 x 32 x 30 mm
• Weight: 78.4 g

Delivery Contents:

• 1 x Gravity NH3 Sensor I2C & UART
• 1 x Gravity IIC/UART Sensor Cable.