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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 200C
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
Warm-up time | more than 7 days |
Test gas conditions | 20±2℃, 65± 5%RH |
Sensor resistance | 300ppm ethanol in 1 ~ 10KΩ |