Winsen MC105 Catalytic Flame Gas Sensor


The resistance of the test element rises once it meets the combustible gases, in the same time, the output voltage of the bridge changes and the voltage variation rises in direct proportion to the gas concentration. The compensate element, as a conference, has the function of compensating temperature and humidity.

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MC105 adopts catalytic combustion principle, and its two arms of electric bridge consists of a test element and a compensate element.
It is widely used in industrial occasion to detect the
concentration of natural gas, LPG, CO and alkanes.
It is also used in combustible gas leakage alarm system,
combustible gas detector and gas concentration meter and
so on
Bridge output voltage in linear
Fast response
Good repeatability and selectivity
Resist H2S poisoning & organosilicon.

Brand Winsen Sensor
Sensor Type Catalytic Type
Standard Encapsulation Plastic
Working voltage(V) 2.5+-0.1
Sensitivity (mV) 1% CH4: 25~50, 1% C3H8: 30~70
Working current(mA) 150+-10
Linearity ≤5%
Response Time (90%) ≤10s
Measuring range(%LEL) 0~100
Recovery Time (90%) ≤30s
Storage Environment -20~+70C
Working Environment -40~+70C


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