Simplex 2098-9207ra Long Range Beam Detector

US $140

  • Paducah, Kentucky, United States
  • Jun 10th
The 2098-9207 is a long-range photoelectric smoke detector consisting of a separate transmitter and receiver. It protects large areas where the use of individual spot smoke detectors is impractical or uneconomical. The transmitter’s light source produces an invisible infrared beam. This beam is accurately measured by the receiver to determine obscuration by smoke. If the beam intensity falls below the threshold set for alarm, a fire alarm is initiated. Dust build-up and other long-term effects are cancelled out and do not reduce the sensitivity of the detector. An analog output voltage can be measured remotely to help determine when cleaning is necessary. If dust builds up so that the signal is reduced by 50%, a trouble output occurs. Because this detector is a sealed unit, it requires only external cleaning. Intermittent beam blockage during cleaning is ignored. If complete beam blockage does occur, it only causes a trouble output- not an alarm. A sync line is not required between the transmitter and the receiver. Simplified installation requires only one-time access to each unit; the transmitter is installed and aligned using internal bore sights before the receiver is in place. The receiver has microprocessor-control circuitry allowing automatic calibration at the touch of a button. The crystal-locked transmitter signature allows the receiver to distinguish the detection beam from all types of local noise sources such as fluorescent, mercury and sodium arc lighting.

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