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Summary of Contents for Winsen MC109
- Page 1 Catalytic Gas Sensor （Model：MC109） Manual Version: 1.3 Valid from: 2014-05-01 Zhengzhou Winsen Electronics Technology Co., Ltd...
- Page 2 Statement This manual copyright belongs to Zhengzhou Winsen Electronics Technology Co., LTD. Without the written permission, any part of this manual shall not be copied, translated, stored in database or retrieval system, also can’t spread through electronic, copying, record ways.
- Page 3 MC109 Catalytic Flammable Gas Sensor Profile MC109 adopts catalytic combustion principle, and its two arms of electric bridge consists of a test element and a compensate element. 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.
- Page 4 Zhengzhou Winsen Electronics Technology Co.,Ltd www.winsen-sensor.com Sensitivity, response and recovery Output(mV) C2H2 Gasoline In CH4 gas C6H6 C2H5OH Concentration Time (s) Fig3. Sensitivity Curve Fig4. Response and recovery curve Changing of output signal at different temperature Output(mV) Output(mV) Temperature.(℃) Temperature.(℃) Fig5.
- Page 5 Zhengzhou Winsen Electronics Technology Co.,Ltd www.winsen-sensor.com Changing of output signal with different voltage supplying Output(mV) Output(mV) In Air In 1% CH4 Humidity humidity Fig8. Sensitivity at different humidity Fig9. Zero point with different voltage Fig9. Sensitivity with different voltage Long-term Stability The drift in air per year is within ±2mV, in 1%CH...
- Page 6 Zhengzhou Winsen Electronics Technology Co.,Ltd www.winsen-sensor.com 1.4 Touch water Sensitivity of the sensors will be reduced when spattered or dipped in water. 1.5 Freezing Do avoid icing on sensor’s surface, otherwise sensing material will be broken and lost sensitivity. 1.6 Applied higher voltage Applied voltage on sensor should not be higher than stipulated value, even if the sensor is not physically damaged or broken, it causes down-line or heater damaged, and bring on sensors’...
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