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  Bosch DS-D284 Ultraviolet Flame Detector
Bosch DS-D284 Ultraviolet Flame Detector


 

Our Price : $229.05


Product Code: DS-D284

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Description
 
An ultraviolet-detector tube within the D284 absorbs very weak ultraviolet (UV) light such as that emitted from a flame and produces an electrical current. The detector's electronic circuitry translates this current into an alarm signal. A counter-current prevents alarm signals from single-pulse UV sources such as lightning or cosmic flares. Additionally, the circuit is tuned to respond only to wavelengths from 185 nm to 300 nm.

Specifications:

Environmental Considerations:
-Relative Humidity: up to 95%, non-condensing at +104F (+40C)
-Temperature (operating): +14F to +122F (-10C to +50C)

Mechanical Properties:

-Color: Ivory
-Dimensions (diameter x H) 4 in. x 2 in. (10.2 cm x 5.1 cm)
-Material: ACS plastic (acrylonitrile-chlorinated PEstyrene)

Output:
-Contact Rating: 260 mA at 24 VDC

Power Requirements

Current:
-Alarm: 0.25 mA at 24 VDC
-Standby: 0.2 mA at 24 VDC

Voltage (operating):
-Nominal: 24 VDC
-Range: 17.6 VDC to 27.7 VDC

Response:
-Detection Angle: 120 conical
-UV Sensitivity: 185 nm to 300 nm
Features
  • Highly reliable, long-lasting ultraviolet (UV) receptor tube
  • Low power consumption
  • Can be mixed with other detector types on the control panel's initiation detection circuit (IDC)
  • Easily maintained; can be cleaned without disassembly

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