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Nittan EVC-DP Evolution Conventional Dual Optical Detector

Product Code: EVC-DP

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Product Information

Using the scattered light principle inherent in optical detectors, the EVC-DP Dual Optical Detector goes one step further and uses both IR and blue LEDs to provide a more accurate measurement of particles within the chamber.

By calculating the ratio of these light sources, which operate at different wavelengths, the EVC-DP can determine the particle size and thus distinguish between smoke and non-combustion products such as steam and dust.

This patented, award winning technology is unique to Nittan and provides an excellent solution to false alarms in areas prone to steam and dust, including hotels, hospitals and other areas of multiple occupancy.

Nittan EVC-DP Key Features:

  • Dual Optical Detector Reduces False Alarms
  • Omniview 360° LED
  • Internal Alarm Current Limiting Resistor
  • Wide Operational Voltage Range (16v-32v)

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Technical Details

Manufacturer: Nittan
Product Code: EVC-DP
Sensor Method: Light Scatter
Sensor Element: 2 x Light Emitting Diode
Operating Voltage: 12V d.c to 32V d.c
System Voltage: 24V d.c
Quiescent Current: 40µA at 24V
Alarm Current: 50mA at 24V
Current for external remote LED indicator: 5mA
Operating Temperature: – 10°C to + 55°C
Storage Temperature: – 20°C to + 60°C
Charging Time: 1 minute in Clean Air
Relative Humidity: ≤ RH95% non-condensing
I.P. Protection Rating: IP42
Material: ABS/PC alloy
Dimensions: 104mm x 33mm (Sensor head) - 104mm x 48mm (Sensor head and UB-4)
Mass: 118g (Sensor head) - 183g (Sensor head and UB-4 base)
EMC Conformance: EN54-7:2000
CE Conformity: Yes
Standards / Ceritification: EN54-7:2000

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£40.95 Ex Vat

£49.14 Inc Vat

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