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MEMS Catalytic Hydrogen Sensor CMV-2021D

Summary:

CMV-2021D catalytic hydrogen sensor adopts MEMS technology and works according to the principle of catalytic combustion effect. It consists of a pair of detection elements and compensation elements to form one arm of the bridge. When encountering hydrogen, the resistance of the detection element increases, and the output voltage of the bridge circuit changes. The voltage variable It increases proportionally with the increase of hydrogen concentration, and the compensation element acts as a reference and compensation for temperature and humidity.

Feature:

* The output voltage is linear
* quick response
* Good repeatability and selectivity
* Components work stably and reliably
* Low power consumption
* Excellent anti-interference ability

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PARAMETER

Specification Product Size

Technical Data Sheet

Model		CMV-2021D
Product type		MEMS Catalytic Hydrogen Sensor
Standard package		plastic package
Working voltage (V)		3.0±0.1
Operating current (mA)		14±1.0
Sensitivity (mV)	1% H₂	30～60
Linearity		≤5%
Measuring range (%LEL)		0～100
Start time in air		≤0.5s
Response time (90%)		≤2s
Recovery time (90%)		≤1s
Working environment		-40℃～+85℃，＜ 95%RH
Storage environment		-40℃～+85℃，＜ 95%RH

unit：mm

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