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SIGA-HRD Fixed Temp / Rate-of-Rise Heat Detector

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SIGA-HRD Fixed Temp / Rate-of-Rise Heat Detector

The SIGA-HRD is an intelligent fixed temperature/rate-of-rise fire detector. It monitors the temperature of the surrounding air and analyzes the data from the sensor to determine whether to initiate an alarm. The rate-of-rise heat function quickly detects a fast, flaming fire. The fixed-temperature heat function detects fire when the air temperature near the detector exceeds the alarm point.
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Weight 0.30 lbs
Dimensions 4.00 × 4.00 × 2.00 in
Manufacturer Carrier
Brand Edwards, EST
Condition New
Unit of Measurement EA (Each)
Production Status Active
Construction Polymer
Detection Method Fixed Temperature, Rate-of-Rise
Material Qualities High Impact Resistance
Programming Electronic
Thermal Rating 135°F
Series
Compatibility , , 
Manual Manual
  • Next Generation Heat Sensing Technology
  • 135 °F (57 °C) fixed temperature alarm point (HRD and HFD)
  • 15 °F (9 °C) per minute rate-of-rise alarm point (HRD)
  • Uses existing wiring
  • Automatic device mapping
  • Sensor Markings Provide Easy Testing Identification
  • Up To 250 Total Signature Devices Per Loop
  • Non-volatile memory
  • Electronic addressing
  • Bicolor (green/red) status LED
  • Standard, relay, fault isolator, and audible mounting bases
  • 50 foot (15.2 meter) spacing
  • Construction High Impact Engineering Polymer, White
  • Storage temperature -4 to 140°F (-20 to 60°C)
  • Agency Listings UL521, CAN/UL-S530, CSFM, FM approved

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