Discovery Marine Multisensor Detector

Product Overview

The Discovery Marine Optical/Heat Multisensor Detector contains an optical smoke sensor and a thermistor temperature sensor whose outputs are combined to give the final analogue value.


  • Ideal for a wide range of applications.
  • Enhanced false alarm management.
  • Unaffected by wind or atmospheric pressure.
  • Well suited to sensitive environments.
  • Five EN54 approved response modes.
  • Heat only and optical only options.
  • Remote test features.


  • ESC
  • MED
  • BV
  • ABS
  • LR
  • KRS
  • DNV.GL
  • CCS


Operating Voltage 17 – 28 V dc
Quiescent Current 400 µA
Alarm Current LED On 3.5 mA
Dimensions (inc Base) 100mm Dia x 50mm H
Operating Temperature -40°C to +70°C
Relative Humidity 0 to 95% RH (no condensation or icing)
IP Rating Designed to IP44
Weight (inc Base) 105 grams

Please Note: All data is supplied subject to change without notice. Specifications are typical at 24V, 23°C and 50% RH unless otherwise stated.

Item Numbers

58000-700MAR Discovery Optical Heat Multisensor