DFRobot Fermion MEMS VOC Gas Sensor (1–500 ppm) - Analog Voltage Output
The DFRobot Fermion MEMS VOC Gas Sensor is a compact, low-power module for qualitative detection of volatile organic compounds (VOCs) like ethanol, formaldehyde, and toluene. It provides an analog voltage output compatible with 3.3V/5V microcontrollers like Arduino, Raspberry Pi, and ESP32 for indoor air quality monitoring applications.
Features
- Advanced MEMS technology enables an ultra-compact footprint of 13 x 13 x 2.5 mm.
- Low operating current (<20mA) and minimal heat generation for energy-efficient designs.
- Qualitative detection of multiple VOCs including ethanol, formaldehyde, and toluene across a 1–500 ppm range.
- Provides a simple analog voltage signal output for easy integration with ADCs.
- Extended operational lifespan of ≥5 years under normal atmospheric conditions.
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This Fermion series sensor utilizes microelectromechanical system (MEMS) technology to deliver a VOC gas sensing solution characterized by its miniature size, low power draw, and rapid response. The sensor element heats internally to detect changes in VOC concentration, outputting a corresponding analog voltage signal. It is designed for qualitative assessment rather than precise quantitative measurement, making it ideal for trend monitoring and threshold-based alerts.
The module operates within a -10 to 60°C temperature range and 15-90% RH (non-condensing) humidity, suitable for indoor environmental monitoring. Its long-life cycle and stable performance are engineered for integration into fresh air systems, air purifiers, and smart home automation platforms where tracking overall VOC levels is critical.
Additional Information
| Weight | 0.001 kg |
|---|---|
| Dimensions | 1.3 × 1.3 × 0.25 cm |
