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Organic solvent vapors (alcohol) sensor TGS822

Description:
The TGS 822 has high sensitivity to the vapors of organic solvents as well as other volatile vapors. It also has sensitivity to a variety of combustible gases such as carbon monoxide, making it a good general purpose sensor. Also available with a ceramic base which is highly resistant to severe environments
as high as 200?C

Specifications:
1) range：50-5000 ppm
2) sensitivity (change ratio of Rs) : 0.40 ± 0.1
3) Circuit Voltage：5.0±0.2V DC/AC
4) Heater Voltage：5.0±0.2V DC/AC

Features:
Long life and low cost;
Uses simple electrical circuit;
High sensitivity to organic solvent vapors such as ethanol;
High stability and reliability over a long period;

Applications:
Breath alcohol detectors;
Gas leak detectors for factories, dry cleaners, and semiconductor industries