GMV-2021B hydrogen sensor is a gas sensor based on all solid state MOS principle of advanced MEMS architecture. Hydrogen in the environment will lead to the change of MOS conductivity, which is an exponential function of hydrogen concentration.

Application

Hydrogen fuel cell automobiles,electric vehicles EV
Energy storage lithium battery pack /power station
Energy storage battery / power station
Hydrogen detection in other scenarios

Features

All solid state, lightweight, low power consumption, long life, excellent anti-interference capability.

Specifications

Part No.			GMV-2021B
Sensor Type			MEMS-MOS
Standard Encapsulation			Ceramic
Target Gas			H2
Detection Range			0.1～1000ppm(H2)
Standard Circuit Conditions	Loop Voltage	VC	≤24V DC
	Heater Voltage	VH	2.5V±0. 1V AC or DC
	Load Resistance	RL	Adjustable
Sensor character under standard test conditions	Heater Resistance	RH	80Ω±5Ω（Room temperature）
	Heater consumption	PH	≤50mW
	sensitive materials resistance	RS	1KΩ～30KΩ(in 200ppmH2)
	Sensitivity	S	R0(in air)/Rs(in 200ppmH2)≥5
	Concentration slope	α	≤0.6(R500ppm/R200ppmH2)

* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.

1 PC GMV-2021B MEMS H2 Sensor