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MQ138 Datasheet - Hanwei

MQ138-Hanwei.pdf

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Datasheet Details

Part number:

MQ138

Manufacturer:

Hanwei

File Size:

161.26 KB

Description:

Semiconductor sensor.

MQ138, Semiconductor Sensor

MQ138 Semiconductor Sensor for Organic Steam Sensitive material of MQ138 gas sensor is SnO2, which with lower conductivity in clean air.

When the target Organic Steam exist, The sensor’s conductivity is more higher along with the gas concentration rising.

Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.

MQ138 gas sensor has high sensitity to Toluene, Acetone, Ethanol and Formaldehyde, also to other organic steam.

The sensor could

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