يسر شركة Royal Surveillance systems المتخصصة في جميع أنظمة الاتصالات و الأنظمة الأمنية ولديها خبراء متخصصون في تلك الأنظمةCommunication & Security & Control Systems بعرض أحدث حساسات حرارة الحريق عالية الجودةوالتى حققت المعادلة الصعبة والتى يبحث عنها أى عميل أعلى كفاءة بأقل سعر . Product description Specifications are typical at 24V, 23C and 50% relative humidity unless otherwise stated. Detector principle: Heat sensitive resistance Supply wiring: Two-wire supply, polarity insensitive Terminal functions: L1 & L2 supply in and out connections +R remote indicator positive connection (internal 2.2k resistance to positive) R remote indicator negative connection (internal 2.2k resistance to negative) Operating voltage: 1728V DC Communication protocol: Discovery, XP95 (5-9V peak to peak) Quiescent current: 350A Power-up surge current: 1mA Maximum power-up time: 10s Alarm current, LED illuminated: 3.4mA Remote output characteristics: Connects to positive line through 4.5k (5mA maximum) Alarm level analogue value: 55 Alarm indicator: 2 red Light Emitting Diodes (LEDs). Optional remote LED Temperature range: Minimum operating temperature 40C ضمان لمدة عام كامل مع الاستبدال للأستعلام أتصل على 034850367 01224179788 01098836236 Facebook page: https://www.facebook.com/royal.surveillance.system website: http://www.royalsurveillancesystems.com/ For sending messages: sales@royal-surveillance.com Adress: 13 Sero Setries St., Al-Raml station, Alexandria, Egypt
