DFRobot Fermion MEMS Formaldehyde HCHO Gas Detection Sensor (Breakout, 0-3ppm)

  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
  5. Gas detected: HCHO
  6. Lifespan: ≥3 years (in air)
  7. Sensitivity: R0(in air)/Rs(in 0.4ppm HCHO) ≥ 1.8

 1,098.00

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Detecting Range

0-3ppm

Detection Gas

HCHO

Operating Voltage (VDC):

3.3 – 5 V

Max. Operating Current (mA)

20

Output Signal

Analog Voltage

Operating Temperature (°C)

-10~50℃

Operating humidity

15-90%RH (non-condensing)

Lifespan

≥3 years (in air)

Length (mm):

13

Width (mm):

13

Height (mm):

2.5

Weight (g):

1 (approx)

Shipping Weight 0.012 kg
Shipping Dimensions 6 × 6 × 3 cm

This is DFRobot Fermion MEMS Formaldehyde HCHO Gas Detection Sensor (Breakout, 0-3ppm). Fermion: MEMS Formaldehyde HCHO Gas Detection Sensor employs state-of-the-art micro-electromechanical 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. This sensor qualitatively measures the concentration of formaldehyde gas, making it suitable for applications in air purifiers, HVAC systems, smart wearables, portable detectors, and more.

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.

 
Applications:

  • Air purifiers
  • HVAC systems
  • Smart wearables
  • Portable detectors
  •  

    Note: This sensor is capable of only qualitative measurements. For quantitative measurements, kindly consider purchasing the Gravity: Factory Calibrated Electrochemical CO Sensor (0-1000 ppm, I2C & UART).

     

    Precautions for use

  • Kindly remove the protective film before usage.
  • 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).
  • Avoid exposure to high concentrations of corrosive gases (such as H2S, SOX, Cl2, HCl, etc.).
  • Prevent contamination from alkalis, alkali metal salts, and halogens.
  • Refrain from prolonged exposure to extreme environments (such as high temperatures, high humidity, high pollution).
  • Avoid contact with water, condensation, and freezing.
  • Minimize excessive vibration, impact, and dropping.
  • Please refrain from employing this module in systems that involve personal safety concerns.
  • For extended periods of non-usage, it is advisable to preheat the module for at least 24 hours.
  •  

    For more info., click below.

  • Product wiki
  • Schematics & Dimension
  • Characteristic Parameter
  • Project: Building an Electronic Nose with MEMS Gas Detection Sensor Breakout Series and Edge Impulse Platform

  • Features:

    1. Easy to use.
    2. Compact size, measuring only 13*13*2.5mm
    3. Low power consumption,operating current <20mA
    4. High sensitivity and rapid response recovery
    5. Advanced MEMS technology
    6. Gas detected: HCHO
    7. Lifespan: ≥3 years (in air)
    8. Sensitivity: R0(in air)/Rs(in 0.4ppm HCHO) ≥ 1.8
    9. Good quality product

    Package Includes:

    1 x DFRobot Fermion MEMS Formaldehyde HCHO Gas Detection Sensor (Breakout, 0-3ppm)

    1 x 2.54mm pitch header pin

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