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| Place of Origin | Henan, China | Brand Name | Zhong An |
| Model Number | ZM500 | Sensor type | Electrochemical alcohol sensor |
| Warm-up time | No warm-up required | Response time | the fastest result is less than 1 second |
| Sampling | Pumpling | Drinking and driving threshold | 0.090 mg / L (20mg / 100ml) |
| Threshold for drunk driving | 0.363 mg / L (80mg / 100ml) | Storage temperature | -30 u2103 ~ 70 u2103 |
| Working temperature | 0 u2103 ~ 50 u2103 | Continuous working time | hundreds of times-two thousand times (related to battery capacity) |
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