MEMS VOC gas sensor

Cat No: MGS-LJX-0004 Datasheet

Product Name: MEMS VOC gas sensor

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Basic Information

Detailed Description	MEMS VOC gas sensors utilize Si-based micro-hotplates and metal-oxide-semiconductor materials with low conductivity in clean air, achieved through MEMS technology. 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 then convert this conductivity change into an output signal corresponding to the gas concentration.
Main Applications	Indoor air quality monitoring, air quality testing for consumer electronics such as mobile phones and computers, exhaled breath detectors, indoor smoke alarms, etc.
Product Type	MEMS VOC gas sensor
Standard Package	Ceramic packaging
Detecting Gas	Ethanol, formaldehyde, toluene, etc.
Detection Concentration	1ppm～500ppm
Circuit Voltage	≤24V DC
Heating Voltage	2.5V±0.1V AC or DC
Load Resistor	Adjustable
Heating Resistor	80Ω±20Ω (room temperature)
Heating Power Consumption	≤50mW
Surface Resistance of the Sensitive Body	1KΩ-30KΩ(in 50ppm ethanol)
Sensitivity	Ro(in air)/Rs(in 50ppm ethanol)≥3
Standard Test Temperature and Humidity	20℃±2℃; 55%RH±5%RH
Standard Test Circuit	VH: 2.5V±0.1V; Vc: 5.0V±0.1V

Features

Employing MEMS technology, the structure is robust and has good shock resistance.
It features 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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