كاشف دخان الحريق Addressable للمشروعات تتقدم شركة Royal Surveillance systems المتخصصة في جميع أنظم
 

https://www11.0zz0.com/2020/12/11/23/957079912.jpg Product description
· Context UL-PLUS Optical Smoke Detector
· Specifications are typical at 24V, 23°C and 50% relative humidity unless otherwise stated.
· Detection principle: Photo-electric detection of light scattered in a forward
· direction by smoke particles
· Chamber configuration: Horizontal optical bench housing infra-red emitter and sensor, arranged radially to detect
· forward scattered light
· Sensor: Silicon PIN photo-diode
· Emitter: GaAlAs infra-red light emitting diode
· Sampling frequency: 1 per second
· Supply wiring: Two-wire supply, polarity insensitive
· Terminal functions: L1 & L2 supply in and out connections
· +R remote indicator positive connection (internal 2.2kΩ resistance to positive)
· –R remote indicator negative connection (internal 2.2kΩ resistance to negative)
· Operating voltage: 17–28V DC
· Communication protocol: Discovery, XP95.
· 5-9V peak to peak
· Quiescent current: 440µA
· Power-up surge current: 1mA
· Maximum power-up time: 10s
للمراسلة من خلال Email : royalsurveillance@gmail.com