System Sensor 2251. System Sensor 2251 Photoelectric Smoke Detector Rybb Fire Alarm System Sensor recommends spacing sensors in compliance with NFPA 72 System Sensor 2251 Photoelectric Smoke Detector $ 59.00; System Sensor 4WT-B Photoelectric Smoke Detector $ 59.00; SYSTEM SENSOR 2851BTH ELECTRONICS HEAT DETECTOR $ 50.00; ACCESSORIES (734)
System Sensor 2251BR Fire Notifier from firenotifier.com
In low air flow applications with smooth ceilings, space sensors 30 feet apart Besides, rotary-decade switches are provided for setting the sensor's address.
System Sensor 2251BR Fire Notifier
Also, the sensor transmits an analog representation of smoke density over a communication line to a control panel When testing is complete, restore the system to normal operation and notify the proper authorities that the system is back in operation Also, the sensor transmits an analog representation of smoke density over a communication line to a control panel
Smoke Detector, Pertronic 2251 BPI Addressable Firewize. System Sensor 2251 is a plug-in type smoke sensor that combines a photoelectronic sensing chamber with addressable-analog communications 200 Series smoke detectors are intelligent (addressable) detectors with point ID capability that enable each detector address to be set with decade address switches to provide exact detector locations.
System Sensor HRLLF Low Frequency Horn Rybb Fire Alarm. If the sensor fails after cleaning, it must be replaced In low air flow applications with smooth ceilings, space sensors 30 feet apart