Board Overview of Fermion: MEMS HCHO Sensor

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

SKU:SEN0563 Brand:DFRobot Reward Points: 49

$4.90
In Stock

Categories: Sensors All Products Air Sensors

Topic: Arduino Fermion

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Introduction

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.

Please note: This sensor is capable of qualitative measurements only. For quantitative measurements, kindly consider purchasing the Gravity: Factory Calibrated Electrochemical Gas Sensor Series.

Wiring Diagram of Fermion: MEMS HCHO Sensor and Arduino UNO

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

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.

Features

Compact size, measuring only 13*13*2.5mm

Low power consumption,operating current ＜20mA

High sensitivity and rapid response recovery

Advanced MEMS technology

Applications

Air purifiers

HVAC systems

Smart wearables

Portable detectors

Specification

Gas detected: HCHO

Detection range: 0-3ppm

Operating voltage: 3.3-5V

Operating current: ＜20mA

Output signal: Analog voltage

Sensitivity: R0(in air)/Rs(in 0.4ppm HCHO) ≥ 1.8

Operating temperature: -10-50℃

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

Lifespan: ≥3 years (in air)

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

Projects

Project: Building an Electronic Nose with MEMS Gas Detection Sensor Breakout Series and Edge Impulse Platform

Introduction:

In this project, I developed an electronic nose using DFRobot mems series gas sensors and the Edge Impulse platform, which is capable of identifying the scents of beverages and fruits.