Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm) - DFRobot SEN0571

Fermion: MEMS Odor Smell Gas Detection Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (＜20mA), minimal heat generation, short preheating time, and swift response recovery. The sensor can qualitatively measure odor gas concentration, suitable for breath detector, odor detection and other application scenarios.

The MEMS series currently encompasses 11 different types of gas sensors (HCHO, CO, CH4, VOC, NH3, H2S, EtOH, Smoke, Odor, H2, NO2), which can be combined as per specific requirements.

Figure: Wiring Diagram of Fermion: MEMS Odor Sensor and Arduino UNO

Precautions for use

1. Kindly remove the protective film before usage.

2. To prevent exposure to volatile silicon compounds vapors (such as silicone adhesive, hair gel, silicone rubber, or other locations where volatile silicon compounds are present).

3. Avoid exposure to high concentrations of corrosive gases (such as H2S, SOX, Cl2, HCl, etc.).

4. Prevent contamination from alkalis, alkali metal salts, and halogens.

5. Refrain from prolonged exposure to extreme environments (such as high temperatures, high humidity, high pollution).

6. Avoid contact with water, condensation, and freezing.

7. Minimize excessive vibration, impact, and dropping.

8. Please refrain from employing this module in systems that involve personal safety concerns.

9. For extended periods of non-usage, it is advisable to preheat the module for at least 24 hours.

1. Compact size, measuring only 13*13*2.5mm

2. Low power consumption, operating current ＜20mA

3. High sensitivity and rapid response recovery

4. Advanced MEMS technology

1. Aviation safety: monitors the presence of hazardous gases or vapors in the aircraft cabin or cockpit.

2. Spoiled food material detection: evaluates the freshness and safety of food products by detecting the emission of odor compounds.

3. Body odor detection: analyzes the human body odor and provides feedback or suggestions for personal hygiene or health care.

4. Other health applications: diagnoses or monitors various health conditions by detecting the changes in breath or skin odor.

1. Gas detected: H2S, EtOH, acetone, etc

2. Detection range: 0.5-50ppm

3. Operating voltage: 3.3-5V

4. Operating current: ＜20mA

5. Output signal: Analog voltage

6. Sensitivity: R0(in air)/Rs(in 5ppm H2S) ≥ 2

7. Operating temperature: -10-50℃

8. Operating humidity: 15-90%RH (non-condensing)

9. Lifespan: ≥5 years (in air)

10. Dimension：13×13 x 2.5mm/0.0.51×0.51x0.1"

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