5pcs Smoke Detector Fire Alarm Detector Independent Home Office Smoke Detector Sensor Security Photoelectric Smoke Detector

1. Technical parameters Power supply: 9VDC Working current: The quiescent current is less than 10UA, and the alarm working current is 10-30MA Output form: Independent type: send out sound and light signal when alarming. Smoke Sensitivity: Comply with UL217 standard; factory test standard value is 3.2% faint gray smoke per foot, and the alarm is reflected. Working environment: -5℃～50℃, 10-90% non-condensing Second, installation and application First select a suitable area, fix the fixing seat with screws, connect the smoke sensor line color and screw it on the fixing seat to install a smoke sensor every 25-40 square meters in the room, and install a smoke sensor 0.5-2.5 meters above the important equipment. 3. Working and testing methods After the alarm is powered on, it is in working state, and the light-emitting diode flashes once a minute. When smoke is detected, the alarm will send out a clear pulsating sound and light alarm signal, and output a dry node signal or a wireless signal