Fireguard FG901SD1_AP Optical Detector with short circuit isolator

SKU: FG-0016
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AED 120.00

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The Fireguard FG901SD1_AP Optical Detector with Short Circuit Isolator is an analogue addressable photoelectric smoke sensor designed for Fireguard fire alarm systems using the AP digital protocol. Operating on the Tyndall light-scattering principle, it features an integrated short-circuit isolator, automatic drift compensation, and a 360-degree tri-color LED indicator to deliver early detection of smoldering fires while preserving loop integrity.

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Description

Fireguard Global | FG901SD1_AP. The Fireguard FG901SD1_AP is an analogue addressable optical-photoelectric smoke detector engineered with an integrated short-circuit line isolator for high-reliability fire detection across commercial, institutional, and industrial applications. Operating on the light-scattering principle, the FG901SD1_AP continuously analyzes ambient air conditions to rapidly detect smoldering fires while using an intelligent drift compensation algorithm to eliminate false alarms caused by dust buildup or environmental variations. In the event of a loop wiring fault, the onboard isolator preserves continuous communication with remaining addressable loop devices. The detector features a 360-degree visible multi-color LED (red for alarm, yellow for fault, and green for localization) and supports soft-addressing via a handheld programmer or automatic panel configuration, making it ideal for high-density addressable fire systems.

Features

  • Built-in Short-Circuit Isolator: Features integrated hardware isolation that automatically disconnects faulty loop sections to maintain communication with surrounding devices.
  • 360-Degree Tri-Color LED Indicator: Equipped with a perimeter LED ring signaling Alarm (Red), Fault (Yellow), and Localization/Polling (Green) visible from any angle.
  • Intelligent Drift Compensation: Automatically monitors and recalibrates baseline chamber thresholds to compensate for dust ingress and extend maintenance cycles.
  • Tyndall Effect Sensing Chamber: Optimized light-scattering chamber design provides high sensitivity to smoldering fires while filtering out ambient light and environmental noise.
  • DIP-Free Soft Addressing: Enables rapid commissioning and loop programming without setting manual DIP or rotary switches.

Specifications

  • Brand Name: Fireguard
  • Detector Model: FG901SD1_AP (Analog Addressable Optical Smoke Detector with Integrated Isolator)
  • Detection Mechanism: Optical / Photoelectric Light-Scattering Sensing (Tyndall Effect)
  • Operating Voltage: 18V DC to 35V DC (Nominal 27V DC)
  • Quiescent / Standby Current: 90 µA at 27V DC
  • Alarm / LED Current Consumption: 15 mA (LED active)
  • Addressing Method: Electronic soft addressing (via ONEPROGRAMMER tool or panel auto-addressing)
  • Integrated Isolator: Onboard short-circuit isolator circuit (EN 54-17 compliant)
  • Operating Temperature Range: -30°C to +70°C
  • Operating Humidity Range: Up to 95% RH (Non-condensing)
  • Ingress Protection Rating: IP40
  • Enclosure Material: UV-Stabilized Flame-Retardant ABS Plastic (White finish)
  • Physical Dimensions: 92 mm Diameter x 48 mm Height (with base)
  • Product Weight: 120 g (with base)
  • Certifications & Compliance: Applus Certified to EN 54-7 & EN 54-17; CE Marked

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