Alcohol Sensor, 20-500 ppm alcohol

Cat No: SGS-LJX-0004 Datasheet

Product Name: Alcohol Sensor, 20-500 ppm alcohol

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Basic Information

Detailed Description	The gas sensor uses a semiconductor material with low conductivity in clean air. When alcohol vapor is present in the sensor's environment, the sensor's conductivity increases with the concentration of alcohol gas in the air. A simple circuit can convert this change in conductivity into an output signal corresponding to the gas concentration.
Main Applications	Suitable for portable alcohol detectors and automotive ignition systems, etc.
Product Type	Semiconductor gas sensor
Standard Package	Metal packaging
Detecting Gas	Alcohol
Detection Concentration	20-500 ppm alcohol
Circuit Voltage	≤6V DC
Heating Voltage	0.9V±0.1V AC or DC
Load Resistor	Adjustable
Heating Resistor	4.0W±0.5 W (room temperature)
Heating Power Consumption	≤140mW
Sensitivity	1.0-2.5V (125ppm alcohol)
Concentration Slope	≤0.6 (R300ppm/R50ppm alcohol)
Standard Test Temperature and Humidity	20℃±2℃;55%±5%RH
Standard Test Circuit	Vc: 3.0V±0.1V DC; VH: 0.9V±0.1V DC
Standard Test Preheating Time	No less than 48 hours
Oxygen Content	21% (not less than 18%, (Oxygen concentration will affect the sensor's initial value, sensitivity and repeatability. Please consult when using it in low oxygen concentration conditions )
Life	10 years

Features

High sensitivity, fast response recovery
Long lifespan, low power consumption
Low cost and compact size

Note

Note	Output voltage (Vs) refers to the voltage in the test atmosphere.

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