The Discovery Optical Smoke Detector are high-specification devices using the light scatter principle to quickly detect fire while effectively managing false alarms.

Product code: 58000-600APO


Main features and benefits:

  • Reliable fire detection in areas with a very wide temperature range from -40°C to +70°C
  • Five operating modes suitable for a range of applications where unique response behaviour is required
  • Drift compensation to ensure constant sensitivity
  • Ideal for accommodation decks, passages and escape routes

Technical specification: 

  • Warranty: 10 year
  • Applications: Bedrooms, Escape routes, Hospitals, Hotels, Offices, University campuses
  • Medium to large buildings, Restaurants, Cafes, Care homes, HMOs, Listed buildings, Retail,
  • Small to medium buildings, wrehouses
  • Fire TTyp: Slow burning, smouldering fires
  • Colour: White
  • Sensor configuration: Horizontal optical bench housing infra-red emitter and sensor, arranged radially to detect forward scattered light.
  • Weight: 105g
  • Materials housing: Polycarbonate
  • Materials terminals: Nickel plated stainless steel
  • Product length: 42mm
  • Product diameter: 100mm
  • Detection principle: Photo-electric light scattering.
  • Product length: 1.65in
  • Product diameter: 3.94in
  • Standards: EN 54-7
  • Approvals: SBSC, BOSEC, FG, VdS, LPCB, CPR
  • Analogue value nominal: 23
  • Analogue value (- tolerance): 0
  • Analogue value (+ tolerance): 4
  • Analogue value: 23 +4/-0
  • Alarm level analogue value: 55
  • Chamber type: Chevron
  • Protocol voltage: 5 to 9V peak to peak
  • Protocol voltage (max): 9V
  • Protocol voltage (min): 5V
  • Power-up surge current: 1mA
  • Status indicator – Alarm: Red
  • Quiescent current: 440μA
  • Quiescent current tested at: 24V dc
  • Supply voltage (max): 28V dc
  • Supply voltage (min): 17V dc
  • Supply voltage (Vmin-Vmax): 17 to 28V dc
  • Terminal functions +R: +R Remote indicator positive connection
  • Terminal functions -R: -R Remote indicator negative connection
  • Polarity: L1 & L2 are polarity insensitive
  • Sampling frequency: Once per second
  • Humidity (max): 95% RH
  • Humidity (min): 0% RH
  • Humidity Note: no condensation or icing
  • Humidity: 0% to 95% (no condensation or icing)
  • Operating temperature: -40 to 70°C
  • Operating temperature (max): 70°C
  • Operating temperature (min): -40°C
  • Operating temperature: -40 to 158°F
  • Operating temperature (max): 158°F
  • Operating temperature (min): -40°F

Click on the links below to download the following attachments:

Marine Fire Detection Catalog (page40-47) .pdf