Wholesale Conventional Independent Smoke Heat Combination fire alarm detector price
Main Features:
SR-820DHS Independent Photoelectric smoke & heat alarm
Battery operated or AC power
Comply with BS EN54-4; UL539
Photoelectric sensing technology
Low Battery warning
Low 85dB Alarm
Instant Test Button
Interconnect ability
57 ºC(135ºF)Fixed RateTemperature SensorTechnical specification:Operating voltage9V batteryHorn output85dB at 10ftTemperature range-10ºC~+70ºCHumidity range5%~95% relative humidity (RH)Smoke alarm point2.06%/ftAlarm temperature57ºC(135ºF)Dimension124mm(Dia)*40mm(Hs)
Product Images:
Our certification:
Our company informationShenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research &
development of fire alarm and security products, includingFire alarm control panel, smoke
detector,heat detector,gas detector, motion detector, fire alarm bell/strobe siren,
manual callpoint, magnetic contact, emergency exit etc.
Shipping information:
* Express(UPS, DHL, Fedex, EMS, etc) is available
* Sea and Air delivery is available
* welcome your agent to deal with our products .