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Catalytic Combustion Gas Sensor

ZC25D Catalytic Combustion Type Gas Sensor

Application:

Can be used in the lakege alarm or concentration detection of natural gas ,liquefied gas ,coal gas and other combustible gases in civil and commercial fields.

Product characteristics:

good stability
quick response
The bridge output is linear
good repeatability and selectivity
excellent resistance to the interference of H2S gas and organosilicone 

1. Description

ZC25D catalytic combustion type gas sensor works according to the principle of catalytic combustion effect, by the detection element and compensation element pairing constitute a bridge arm, in the combustible gas detection element resistance increases, the bridge output voltage changes, the voltage variable increases with the increase of gas concentration and proportional to the compensation element reference and temperature and humidity compensation.

2. Technical specifications

ModelZC25D
Sensor  typeCatalytic combustion-type gas sensor
Standard encapsulationPlastic block-metal packaging
Working  voltage (V)2.5±0.1
working current (m A)150±10
Sensitivity level (mV)20%LEL Methane12~35
20%LEL propane10~30
Linearity≤5%
Measuring Range (% LEL)0~100
Response time (90%)≤10s
Recovery time (90%)≤30s
Working environment-40 to ~70℃, less than 95% RH
Storage environment-25 to ~70℃, less than 95% RH
life spanFive years


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