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Temperature Smoke Integrated Detector

Photoelectric Smoke and Heat Detector

Type: AS-752


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Related: Alarm Dectector

Description

AS-752 photoelectric smoke and heat detector (hereinafter called detector) detects the smoke by a couple of infrared diodes, includes a built-in +57 ℃±2.7℃ heat detector. The principle of the 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 entering the chamber, diode can receive more and more light, and the detector can give out alarm signal when the smoke attains 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.

Features

  • Strone adaptability for circumstance
  • SMT design, high stability
  • 9-35 VDC wide voltage operating range
  • Low standby current
  • Power supply non-polarized input
  • Twin LED for 360° visual
  • Flashing LED power indicator
  • Remote LED indicator output (2-wire)
  • Metal shield, anti-electromagnetic interference

Technical Indicators

 2 wires4 wires
Alarm methodThrough current, remote alarmThrough relay
Working VoltageDC9-35VDC9-35V
Stand-by current55μA200μA/24V
Alarm current35mA/DC12V; 60mA/DC24V600μA/24V
Alarm indicationRed indicatorRed indicator
Temperature range-10℃~+50℃-10℃~+50℃
Relative humidity0%~95%RH(No condensation)0%~95%RH(No condensation)
Alarm temperature57℃/137F or 8~15℃/MIN(Differential temperature)57℃/137F or 8~15℃/MIN(Differential temperature)
Sensitivity0.5dB/m(±0.1dB/m)0.5dB/m(±0.1dB/m)

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