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Winsen Semiconductor Type Alcohol Sensor is an original and brand new mini size alcohol sensor for gift-type breathalyzer use.
The sensitive material of the MQ303B gas sensor is a semiconductor material which is with lower conductivity in clean air. When the target alcohol gas exists, the sensor’s conductivity gets higher along with the gas concentration rising. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit.
Specifications
| Model Type | MQ303B |
| Sensor Type | Semiconductor |
| Standard Encapsulation | Metal |
| Target Gas | Alcohol |
| Detecting Range | 20~ 500ppm alcohol |
| Load Resistance | Adjustable |
| Heater Voltage | ≤6V DC |
| Sensitivity | R0(in air)/Rs(in 125ppm C2H5OH)≥3 |
| Tem. Humidity: | 20℃±2℃ 55%±5%RH |
| Length (mm) | 10 |
| Diameter (mm) | 9.4 |
| Weight (gm) | 6 |
| Shipment Weight | 0.01 kg |
Features:
- Responsive to Alcohol gas
- Compatible with 5V
- Cost-efficient
Package Includes:
- 1 x Winsen Semiconductor Type Alcohol Sensor
