อุปกรณ์ตรวจจับควัน ยี่ห้อ “SYSTEM SENSOR” รุ่น SD-651

The Notifier SD-651 Plug-in Smoke Detectors offer superb
performance and reliability in a profile which is just 2” (5.1
cm) deep. Model SD-651 (photoelectric sensor) can be used
with a variety of different 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 SD-651 is designed to meet the performance criteria
designated by UL. Its sensing chambers are sealed against
back pressure air flow, dirt, and insects. This chamber is protected by a fine mesh screen which can be cleaned or
replaced. Additional key features include a variety of
mounting bases and a full line of accessories.
SD-651 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 SD-651 photoelectric detector’s unique optical sensing
chamber is engineered to sense smoke by a wide range of
combustion sources.