Wired emergency button
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Specifications
| Power supply | DC 12V |
| Alarm concentration | 8%LEL |
| Buzzer sound pressure | ≥70dB(1 meter ahead) |
| Working environment | -10℃~+55℃ |
| Relative humidity | ≤95%RH |
| Stability | long-term operation alarm concentration error is not more than ±5%LEL |
| Repeatability | test alarm concentration error is not more than 3%LEL |
| Alarm concentration error | ±3%LEL |
| Alarm mode | sound and light alarm |
| The sampling method | naturally diffuses |
| Service life | 3 years |
| Maximum storage number of alarm | 1261 records (210 records for alarm, alarm recovery, fault, fault recovery, power on and power off respectively, and 1 records for sensor failure) |
| Implement standard | GB153222-2019 |
