4-Wire Smoke Detector, Photoelectric Smoke Alarm (TA-2988)

4-Wire Smoke Detector, Photoelectric Smoke Alarm(TA-2988)Introduction
TA-2988 series optical smoke detectors are designed to respond to a wide spectrum of fires and ease installation. every unit is individually tested and calibrated to ensure high reliability and prevent false alarms
Advanced photoelectric smoke sensing technology
Durable sensor head; excellent smoke access
Ar (auto reset) function for security systems(optional for 4 wire models)
N/c (normal/close)-n/o (normal/open) selectable relay output
Easy installation and maintenance
Modern design (white and beige colors)
Freq. :3~5 sec
Sensor base: standard and shottky diode
Remote led
Comply with en54 and ce
Smoke sensitivity:EN 54-5/7:2000 standard
Detection range:100 square meters rating for smoke sensor; 50 square meters rating for heat sensor
Start-up current:70 μa maximum
Alarm impedance:for 2-wire models: 100Ω+3v max; 560Ω+3v max (red led open circuit)
Alarm indicator:led continuously emitting red light
Temperature range: -10°C to 50 °C
Remote output:15 ma max, diode gate
Humidity:0 to 95% rh, noncondensing
Alarm contact:for 4-wire: n/o or n/c operation
Form a: 1.0a@30vdc/0.5a@125vac
Dimensions:10mm (dia) x 46mm (ht) with base
Weight:130g/set with base
Parameters: ModelTA-2988 Operating VoltageDC 12V-24V Monitoring current≤50μA Alarm current≤20 mA Operating environmentTemperature: -10 °C~+50 °CRelative humidity: ≤95% (40°C ± 2°C ) Connection methodTwo- wire and non-polarity system
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about us:
SHENZHEN TAIAN ELECTRonICS Co., Ltd., is an Exporter and Wholesaler for Security Products in China. Our company specializes in PIR sensor, motion ,outdoor sensors ,sirens, alarm panels, GSM series and smokes for home safety and intruder Security alarm systems. Our products are suitable for use in Control center (report to Police), Garden, Bank, and all of the Commercial, Industrial and Civil buildings. For more information, see our products section. Welcome to view our website to know more about us. TAIAN is always looking for friendly cooperation with customers all over the world. We can be your best supplier with wide range of Security Products. Welcome to contact us for OEM & ODM service!