Police Siren Fire Alarm Stand Alone Fire Detector
Technical parame- ters | Smoke detector | ||
| Voltage | DC3V(built-in CP952434) | ||
| Low-voltage inspection | 2.2V | ||
current | Working current | Quiescent current | |
| ≤120mA | ≤2uA | ||
| Alarm loud- ness | ≥85dB/3m | ||
| Working temperature | -10ºC~+40ºC | ||
| Ambient humidity | ≤95%RH(no condensation) | ||
| Status dis- play | Normal smoke detection | LED (red) flashes once about every 344 seconds, no alarm sound | |
| Smoke detection or key test | LED (red) flashes and continuous alarm is given | ||
| Low sensitivity detection (silent mode) | LED (red) flashes about every 10 seconds, no alarm sound, automatically cancel low sensi- tivity detection about 9 minutes later | ||
Alarm memory | LED (green) flashed 3 times about every 43 seconds, and stops 24 hours later. The first time you press test/mute button after alarm is made, the detector will hint by special alarm mode. | ||
End of useful life | After working for 10 years, alarm sound is made, the buzzer buzzes 3 times about every 43 seconds | ||
Low-voltage inspection | LED (red) flashes once, make "di" alarm sound about every 43 seconds | ||
