D2

The SYSTEM-SENSOR-D2 2-wire photoelectric duct smoke detector senses airflow speeds ranging from 100 to 4,000 feet per minute with proven System Sensor precision.

The enhancements built into the D2 improve false alarm immunity (with plug-in sensor head); broaden operating temperature (4F to 158F) and humidity (0 to 95 percent noncondensing) ranges; while simplifying installation and maintenance. These advance features can detect smoke even in the harshest duct applications.

The D2 duct smoke detector has signals to indicate trouble and maintenance conditions. Additionally, a cover tamper feature is incorporated to indicate a trouble condition for removed or improperly installed sensor cover.

The D2 eatures a pivoting housing that fits various applications: both square and rectangular footprints mount to round or rectangular duct work.

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Description

  • Rectangular Dimensions: 14.38 in (37 cm) Length; 5 in (12.7 cm) Width; 2.5 in (6.36 cm) Depth
  • Square Dimensions: 7.75 in (19.7 cm) Length; 9 in (22.9 cm) Width; 2.5 in (6.35 cm) Depth
  • Weight: 1.8 lb (0.82 kg)
  • Air Duct Velocity: 100 to 4000 ft/min (0.5 to 20.32 m/sec)
  • Power supply voltage: 8.5-35 VDC
  • Input capacitance: 0.1 F max.
  • Reset voltage: 2.5 VDC min.
  • Reset time: (with RTS451) 0.03 to 0.3 sec.
  • Reset time: (by power down) 0.3 sec. max.
  • Power up time: 35 sec. max.
  • Alarm response time: 15 sec.
  • Sensitivity Test: See detector label
  • Current Requirements: (Using No Accessories)
  • Peak standby current: 120A
  • Max. standby current: 60 A (average)
  • Max. alarm current: 130 mA

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