Introduction:
This product named Photoelectric smoke detector detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. The chamber can shield external light, but doesn't affect the smoke into it. While there is no smoke, the diode can receive very week infrared light. When the smoke is entering the chamber, diode can receive more and more light, and the detector can give out alarm signal when the smoke reach the certain density. In order to reduce the interference and lower power consumption, the emitting circuit adopts the pulse signal. The product in accordance with the networking approach is divided into 2 wire and 4 wire detectors.
Main Features
- Strong adaptability for circumstance.
- SMT design, hight stability.
- 9-35V DC wide voltage operating range.
- Low standby current.
- Power supply Non-polarized input.
- Twin LED for 360 degree visual
- Flashing LED power indicator
- Remote LED indicator output ( 2 wire)
- Metal Shield, Anti-electromagnetic interference
Technical Parameter
Operating voltage: DC9V- 35V
Standby current: less than 55 uA
Alarm current:
35mA @ DC12V
60mA @ DC 24V
Operating temp.: -10 to +50 degrees
Working humidity: less than 95%RH
Alarm Indication: RED LED ON
Alarm mode: NO/NC output / LED indicator
Detecting area: 20 square meter
Sensitivity: class I
Alarm output: sound&flash,NO/NC
Standard: EN54-7/UL268
Dimension: 103mm dia.*53mm deep
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