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The gas-sensitive material used in the MQ316 odor sensor is a semiconductor material with low conductivity in clean air. When there is a gas to be measured in the environment...
Availability:
500 In Stock
Categories:
VOC sensor
The gas-sensitive material used in the MQ316 odor sensor is a semiconductor material with low conductivity in clean air. When there is a gas to be measured in the environment where the sensor is located, the conductivity of the sensor increases as the concentration of the gas to be measured increases. Use a simple circuit to convert the change in conductivity into an output signal corresponding to the gas concentration .
Application
Widely used in breath odor detectors, portable alcohol detectors, etc.
Features
Widely used in breath odor detectors, portable alcohol detectors, etc.
Specifications
| Model | MQ303B | ||
| Sensor Type | Semiconductor | ||
| Standard Encapsulation | Metal | ||
| Target Gas | Alcohol gas | ||
| Detection range | 20~ 500ppm alcohol | ||
| Standard Circuit Conditions | Loop Voltage | V H | 0.9V±0.1V AC or DC |
| Heater Voltage | V c | ≤6V DC | |
| Load resistance | R L | Adjustable | |
| Heater Resistance | RH | 4.0Ω±0.5Ω（room temp.） | |
| Heater consumption | PH | ≤140mW | |
| Sensor character under standard test conditions | Zero point | V0 | 0.01~0.45V |
| Sensitivity | VS | 1.0~2.5V (in 125ppm C2H5OH) | |
| Concentration Slope | α | ≤0.6(R300ppm/R50ppm C2H5OH) | |
| Standard test conditions | Tem. Humidity | 20℃±2℃ 55%±5%RH | |
| Standard test circuit | Vc:3.0V±0.1V DC VH:0.9V±0.1V DC | ||
| Preheat time | Not less than 48 hours | ||
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
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