The tgs822 alcohol detector sensor is a premium metal oxide semiconductor (MOS) gas sensor designed by Figaro, utilizing advanced tin dioxide (SnO2) technology. In clean air, the sensor maintains a low conductivity, which increases rapidly as the concentration of target alcohol vapors rises. It offers an exceptional combination of quick response times, low power consumption, and long-term reliability, making it the industrial benchmark for breath alcohol analyzers, environmental monitors, and factory safety systems.
Key Product Features
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- Exceptional Selectivity: High sensitivity specifically to ethanol and organic solvent vapors.
- Durability & Value: Cost-effective solution with a long operational lifespan.
- Simple Circuit Design: Easily integrated into standard electrical circuits with variable load resistance.
Technical Specifications & Parameters
To help you design and configure your system, here are the official datasheets parameters for this sensor:
To help you design and configure your system, here are the official datasheets parameters for this sensor:
| Parameter | Specification |
|---|---|
| Sensing Element | Tin Dioxide (SnO2) Ceramic |
| Measurement Range | 50 ~ 5,000 ppm (Ethanol) |
| Circuit Voltage (Vc) | Max. 24V AC or DC |
| Heater Voltage (Vh) | 5.0V ± 0.2V AC or DC |
| Heater Resistance (Rh) | 38.0 ± 3.0 Ω at room temperature |
| Heater Power Consumption | 660mW ± 55mW (Typical) |
| Sensor Resistance (Rs) | 1kΩ ~ 10kΩ (in 300ppm Ethanol) |
| Standard Test Conditions | 20°C ± 2°C, 65% ± 5% Relative Humidity |
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We provide global shipping and technical support for all electronic components including the tgs822 alcohol detector. If you need wholesale pricing, customized specifications, or a full datasheet PDF, please Contact Us Here and our support team will respond within 24 hours.
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