Fermion MEMS Gas Detection Sensor Ammonia (NH3)

Fermion MEMS NH Gas Sensor

Overview

• Compact ammonia (NH) gas detection sensor

• Based on MEMS (Microelectromechanical Systems) technology

• Designed for low-power IoT and environmental monitoring

• Compatible with Arduino, ESP32, Raspberry Pi

Working Principle

• NH gas interacts with MEMS sensing layer

• Causes change in sensor resistance/conductivity

• Internal circuit converts it into analog voltage output

• Microcontroller interprets voltage gas presence / concentration trend

Key Specifications

• Gas Detected: Ammonia (NH)

• oltage: 3.3V 5V

• Current Consumption: < 20 mA

• Output Type: Analog voltage

• Operating Temp: -10C to 50C

• Humidity Range: 15% 90% RH

• Size: ~13 13 2.5 mm

• Lifespan: 5 years

Module Components

• MEMS NH sensing chip

• Signal conditioning circuit

• Analog output pin

• Compact breakout board

Features

• High sensitivity to ammonia gas

• Ultra-low power consumption

• Fast response and recovery time

• Very small and lightweighp> Applications

  • Cold storage ammonia leak detection

  • Aquaculture monitoring

  • Industrial safety systems

  • Air quality monitoring

  • Odor detection systems

  Usage Tips

  • Remove protective film before use

  • Preheat sensor (~24 hours if unused for long time)

  • Avoid:

    • Silicone vapors

    • Corrosive gases

  • Prevent water or condensation exposure

  • Calibrate for better accuracy

  Advantages

  • Very compact and energy-efficient

  • Faster than traditional MQ sensors

  • Easy analog interface

  • Long operational life

  Limitations

  Not suitable for high-precision industrial use

• Sensitive to environmental changes

• Requires calibration

Summary

• MEMS-based ammonia gas detection sensor

• Detects NH in 1300 ppm range

• Outputs analog signal for processing

• Ideal for IoT, monitoring, and experimental projects