The two most commonly recognized smoke detection technologies are ionization smoke detection and photoelectric smoke detection.. Ionization smoke alarms are generally more responsive to flaming … Imagine your car air bags deploying randomly when you hit a pothole, but failing over half the time in a collision. Photoelectric detectors are better at sensing smoky fires, such as a smoldering mattress. Photoelectric Smoke with Thermal Detector Model. By Skip Walker, ACI, MCI . When smoke enters the chamber, however, the smoke particles scatter the light and some amount of light hits the sensor: The sensor then sets off the horn in the smoke detector. The Photoelectric Smoke Detector (FDKU026-D-X) is an Analog/Addressable smoke detector compatible with any fire alarm control panel of Integlex Multicrest series. How Does a Photoelectric Smoke Detector Work? - Address coding by dip switch makes the job easier. โดยทั้ง 2 แบบนี้จะมี Sensing Chamber (ห้องจับควัน) ที่แตกต่างกัน มีหลักการทำงานที่ต่าง Features : - 2-wire base connection without polarity sensitivity makes installation much easier. We offer Addressable FIre Detection System (Addressable Photoelectric Smoke Detector). แบบ Ionization Smoke Detector. Ionization versus Photoelectric Smoke Alarms: In Real-World Fires The Differences Are Deadly . The photoelectric cell is a highly sensitive instrument and must be carefully installed and calibrated to be effective. Clearly, while ionization detectors have some value, photoelectric sensors can detect a developing problem at the earliest moment. RECOMMENDED SMOKE ALARM PLACEMENT The legislation changes as of January 1st, 2017 will require some residential properties (in some states) to have a photoelectric smoke alarm in each bedroom, in hallways that connect bedrooms and at least one on every storey of a multi level property, in the most likely route to exit. 2. 1. A very effective beep sound will let you know when the air is polluted by smoke and carbon monoxide. Inside the smoke detector there is a light and a sensor, but they are positioned at 90-degree angles to one another, like this: In the normal … 2151T – อุปกรณ์ตรวจจับควันกับความร้อน (Photoelectric Smoke with Thermal Detector) – เป็นอุปกรณ์ตรวจจับ แบบธรรมดา (Conventional Initiating Devices) The detector and base (not included) are made of a durable plastic in an eggshell white (off white) to blend in with the ceiling. Some of the best photoelectric smoke detectors are able to detect smoke and harmful substances in the air. - Latching function helps to identify alarm device clearly and quickly. แบบ Photoelectric Smoke Detector. Photoelectric smoke detectors therefore use light in a different way. You will know if these substances are in the air by hearing loud alarms.
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