Fast Electronics Co., Ltd
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Semiconductor alcohol sensorKey Features and Applications:
High sensitivity
* Fast response
· Long life
Low power consumption
· Compact size
· Suitable for portable alcohol detector and car lights the fire systems
Semiconductor alcohol sensorThe main technical parameters:
| Product number | MQ303B |
| Product type | Semiconductor gas sensor |
| Standard package | Metal packaging |
| Detection of gas | Alcohol |
| Detectable concentration | 20ppm-1000ppmEthanol |
| Circuit voltage (Vc) | 6V DC |
| Heating voltage (VH) | 0.9V 0.1VAcorDC |
| Load resistance (RL) | Adjustable |
| Heating resistors (RH) | Forty fiveW 0.5W(Room temperature) |
| Heating consumption (PH) | 140mW |
| Temperature, humidity | 20 2 ; 65% 5% RH |
| Standard test circuit | Vc: 3.0V 0.1V; VH: 0.9V 0.1V |
| Warm-up time | Less than 48 hours |