Principle Introduction:
MEMS VOC gas sensor is using MEMS micro-fabrication hot plate on a Si substrate base, gas-sensitive materials used in the clean air with low conductivity metal oxide semiconductor material. When the sensor exposed to gas atmosphere, the conductivity is changing as the detected gas concentration in the air. The higher the concentration of the gas, the higher the conductivity. Use simple circuit can convert the change of conductivity of the gas concentration corresponding to the output signal.

Applications :
Gas leak detection for mobile phones, computers and other consumer electronics applications, also for breathing gas detection control, smoke alarm indoor & etc.

Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.

Gas sensor character	Symbol	standard	Minimum	Maximum	Unit
Sensor Resistance	R0	-	100	1500	KΩ
Gas (C2H5OH) concentration	FS	-	1	1000	ppm
Sensitivity	S50	-	1.2	50	-

Reference Circuit :

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