Apollo Discovery Optical Smoke Detector

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

  • 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
Warranty 10 year
  • Bedrooms
  • Escape routes
  • Hospitals
  • Hotels
  • Offices
  • University campuses
  • Medium to large buildings
  • Restaurants
  • Cafes
  • Care homes
  • HMOs
  • Listed buildings
  • Retail
  • Small to medium buildings
  • Warehouses
Fire Type 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
  • SBSC
  • 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


  • Model: 58000-600APO
  • Shipping Weight: 1 kgs
  • Manufactured by: Apollo
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