MEMS Nitrogen Dioxide Sensor

Cat No: MGS-LJX-0001 Datasheet

Product Name: MEMS Nitrogen Dioxide Sensor

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Basic Information

Detailed Description	The MEMS nitrogen dioxide gas sensor utilizes MEMS technology to fabricate a micro-hotplate on a Si substrate. The gas-sensitive material used is a metal-oxide-semiconductor (MODS) material with low conductivity in clean air. When the detected gas is present in the ambient air, the sensor's conductivity changes; the higher the concentration of the gas, the higher the sensor's conductivity. A simple circuit can convert this conductivity change into an output signal corresponding to the gas concentration.
Main Applications	Portable and stationary nitrogen dioxide detectors
Product Type	MEMS nitrogen dioxide gas sensor
Standard Package	Ceramic packaging
Detecting Gas	Nitrogen dioxide
Detection Concentration	0.1-10ppm (NO₂)
Circuit Voltage	≤24V DC
Heating Voltage	2.0V±0.1V AC or DC
Load Resistor	Adjustable
Heating Resistor	80Ω±20Ω (room temperature)
Heating Power Consumption	≤40mW
Surface Resistance of the Sensitive Body	10KΩ-1000KΩ (in 2ppm NO2 )
Sensitivity	Ro(in air)/Rs(in 2ppm NO2)≤0.5
Standard Test Temperature and Humidity	20℃±2℃; 55%±5%RH
Standard Test Circuit	Vc: 5.0V±0.1V; VH: 2.0V±0.1V

Features

Employing MEMS technology, it features a robust structure and high sensitivity to nitrogen dioxide.
Small size, low power consumption, high sensitivity, and fast response recovery.
The drive circuit is simple, stable, and has a long lifespan.

Note

Note	Product specifications are subject to change without notice.

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