smoke alarm C. smoke detector D. gas detector 相关知识点: 试题来源: 解析 C。“smoke detector”是烟雾探测器;A 选项“fire detector”是火灾探测器;B 选项“smoke alarm”是烟雾报警器;D 选项“gas detector”是燃气探测器。本题考查消防设备的英文表达,涉及到名词的区分。反馈 收藏 ...
It can enable fire alam when the temperature difference achieved the setting rate of rise temperature value reach the setting fixed ualue. It has a stable and reliable working performance. Two LEDs on each detector provide local 360° visible alarm indication. They flash every ...
PURPOSE: To accurately detect smoke density even when an inner temperature of a smoke detection type fire sensor is varied by detecting environmental temperatures of a light emitting element and a light receiving element, and correcting an output level of the receiving element based on the ...
[translate] a我想成为一名营养师 Je veux devenir un nutritionniste [translate] aそれで… With that… [translate] aSmoke Detector - is a device that detects smoke and normally located in the ceilings and triggers a fire alarm. 烟检测器-是查出烟的设备和通常位于天花板并且触发火警。 [translate] ...
Smoke Fire Detector for Home Security, Find Details and Price about Smoke Detector Fire Alarm from Smoke Fire Detector for Home Security - Shenzhen Chitongda Electronic Co., Ltd.
Product name Explosion proof optical smoke detector Main Voltage DC24V±3V (no polarity) Operating current Monitor: 150uA Alarm Relay Out Normally Open and Closed Smoke Alarm Sensitivity 0.10dB/m~0.27 dB/m Ex-Atex Protection Level Exdi CT6 Protection class IP30 Materials and colors...
Fire prevention Smoke Detector Safety Kit Fire Alarm Smoke Sensor Product Description This product is photoelectric type, and works on the principle that infrared scatters in the smoke to probe the smoke which is generated by both the incomplet...
High Standard Quality Photoelectric Smoke Detector Fire And Alarm System Description: AS-SD201 Smoke detector use a state-of-the-art optical sensing chamber, the smoke chamber works under the principle of smoke particles reflecting infrared lights accurately detect early s...
Types of Smoke Detectors Addressable Combination Heat and Smoke Detector Operating Voltage Range 18V-28V DC Alarm Current ≤3mA Work Current ≤2.5mA Temperature -10ºC to 50ºC Smoke Sensitivity 0.2-0.3dB/M Fix Temperature Range 57ºC A2r Rate of Rise Alarm 7.1...
Asenware infrared beam smoke detector price Introduction: The AW-BK901 infrared linear reflex beam smoke detector, being designed for fire prevention in the open area, is a long interval one and used with the fire alarm controller. The detector is made up of the combination un...