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Talentum IR3 Flame Detector (16589) Zinc Alloy Housing

Model #: 16589-20

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Talentum IR3 Flame Detector (16589) Zinc Alloy Housing
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Category Heat Detector Testing

The Talentum® triple Infra-Red (IR³) Flame Detector is designed to protect areas where open fires may be expected and detects almost all flames, including hydrocarbon fires with 4.3 μm emissions through to invisible fires such as hydrogen. The IR³ Flame Detector is sensitive to flickering, low frequency (1- 15Hz) infra-red radiation emitted by flames during combustion even if the lens is contaminated by a layer of oil, dust, water, vapour or ice. This detector has three IR sensors which respond to different IR wavelengths in order to discriminate between flames and spurious sources of radiation. False alarms from flickering sunlight are avoided by a combination of filters and signal processing techniques. The Talentum® IR3 detector has selectable output options of relay contacts or 4-20mA signal, as standard.


  • Excellent immunity to false sources
  • Tolerant of fumes, vapours, dust and mist
  • Suitable for indoor and outdoor areas
  • Unaffected by convection currents, draughts or wind
  • Proven response to multiple fuel types
  • Multi-spectrum detection
  • Selectable output options
  • Selectable response speed
  • Selectable sensitivity levels
  • Built in auto and manual test
  • Low current consumption
  • Fast response to fire
Mechanical Specification  
Housing Material Die Cast Zinc Alloy (ZA12)
Housing Colour Blue
Dimensions 142(H) x 108(W) x 82(D) mm
Weight 2kg
Cable Gland Entries 2 x 20mm
Wiring 1.0 to 4.0mm²
Electrical Specification  
Supply Voltage 14 to 30Vdc
Quiescent Current 8mA, RL2 energised
  4mA, current loop, RL2 off
  3mA, RL2 off
Alarm Current 28mA, RL1 & RL2 energised
  20mA, current loop, RL1 & 2 off
  9mA, RL1 energised
Power Up Time 2 seconds max.
Test Signal Voltage 14 to 30Vdc
Relay Outputs  
- Programmable Normally Open or Normally Closed
  Latching or Non-latching
- Ratings: Current Voltage
1.0A Max.
  50Vdc Max.
  30W Max.
  (Note: Resistive Loads Only)
Operating Temperature -10°C to +55°C
Storage Temperature -20°C to +65°C
Relative Humidity 95% Non condensing
IP Rating I IP65
Range - Class 1*
- Class 3
0.1m² n-heptane at 25m
  0.1m² n-heptane at 12m
(see EN54:10 for sensitivity settings)
Field of View 90° min. Cone
Operating Wavelength
Band - IR
  0.75 to 2.7µm


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Category Heat Detector Testing
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