PhotoElectric Smoke Detector w/Base System Sensor/2151

Model 2151 (photoelectric sensor) and model 2151T (photoelectric
sensor with thermal) can be used with a variety of adapter bases in
several wiring configurations and voltages. Other features include:
low current draw, stable performance in high air velocities, built-in
tamper resistant base design, remote LED option, removable cover
and built-in test switch.
The 100 series is designed to meet the performance criteria
designated by UL. The sensing chamber is sealed against back
pressure air flow. The chamber top is covered by a one piece
molded screen which minimizes the entry of dirt and insects. This
screen can be removed for cleaning. Additional key features
include a variety of mounting bases and a full line of accessories.
All 100 Series photoelectric smoke detectors contain a unique optical
sensing chamber designed to sense smoke particles produced by
a wide range of combustion sources. A custom integrated circuit
incorporates signal processing to reduce false alarms.
Model 2151 photoelectric detector’s unique optical sensing chamber
is engineered to sense smoke by a wide range of combustion
sources. Dual electronic thermistors add 135°F fixed temperature
thermal sensing on model 2151T.

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