how photoelectric smoke detectors work

Brand Name:COWELL

Model Number:BH Series

...Detector & Gas Monitor System BH-60 fixed gas detector adopts advanced catalytic gas sensor or electrochemical sensor, which can translate the gas concentration in the air to the digital signal output. The detector working with gas controller can be used to detect gas in refinery, chemical plant, LPG station, boiler room, painting plant and other places with gas exists. Technical Specification Product BH-60 fixed gas detector

Brand Name:Wscodyr

Model Number:WS-T03

Place of Origin:china

Product gross weight: 265 grams Color box size: 16.5*11.5*8.5 (cm) Display mode: LED digital display + LCD + backlight Display specifications: 87*53mm Working voltage: 5V Battery capacity: Three No.5 batteries Charging interface: TYPE-C Box size: 58cm*35cm...

Place of Origin:Chinese mainland.

Brand Name:Thinking Zhian

Model Number:1902

... smoke detector, which is one of the smoke alarm series products. The alarm adopts optical smoke inductive device and excellent production technology, stable work, beautiful appearance, simple installation, no need to debug, can be widely used in hotels,

Place of Origin:China

Model Number:ASS101

Addressable fire alarm 24V systems photoelectric smoke detector sensor Specification: Working voltage: DC24V ± 20% Working current: monitoring status <50uA, alarm status: 20mA Work instructions: monitoring status indicator flashes red once per 6 seconds, ...

Place of Origin:China

Model Number:ASS101

Addressable fire alarm 24V systems photoelectric smoke detector sensor Specification: Working voltage: DC24V ± 20% Working current: monitoring status <50uA, alarm status: 20mA Work instructions: monitoring status indicator flashes red once per 6 seconds, ...

Brand Name:JSUS

Model Number:JS-SD2A

Place of Origin:China

...Alarm Indicator Red LED flashing Alarm Sound Level 85dB/m Working temperature -10℃ to +50℃ Environment Humidity 95%RH max Dimension Φ100*43mm Weight 180g Implementation standard GB4715-2005;EN14604 keywords: security alarms,gsm alarms,gas detector,gas

Place of Origin:American Samoa

Brand Name:All

Model Number:RE46C190S16TF SOP16

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Brand Name:Glomarket

Model Number:SD0311

Place of Origin:Guangdong, China

.... It is an early warning device, can’t detect gas, heat, or fire, nor stop fire or put out fire. It is capable of real-time detecting the presence of smoke. Once detect danger of fire smoke, red LED will be ON, and alarming to alert you

Brand Name:VANSHUI

Model Number:GR-SM200D

Place of Origin:SHANGHAI,CHINA

...smoke detector carbon dioxide wireless 433/315mhz high quality smoke detector CE approval Wireless Stand alone smoke detector 2 Year Warranty Fire Alarm System 9V Hotels Wireless Smoke Detectors Smoke Alarm Lithium Battery Standalone Fire Alarm smoke detector Smoke Detector for home safety guard Battery Operated RF Connected Photoelectric Fire Detector 9V Wireless Smoke Detector 433MHz Hot Selling Smoke...

Brand Name:JSUS

Model Number:hb03

Place of Origin:CHINA

产品特点及功能: ◆ 太阳能(室内灯光)供电设计,无需外接电源线,3到5年无需更换电池 ◆ 采用美国微芯公司的光电感烟探测专用芯片,可用于对各类早期火灾发出的烟雾做出报警. ◆ 光学迷宫,光电探测方式,吸顶安装. ◆ 低功耗,使用寿命长. ◆ 检测到烟雾超标时本地声光报警,给主机发无线信号. ◆ 具有低电池电量报警提示. ◆ 具有手动测试功能. ◆ 解决传感器漂移问题. ◆ 可独立使用或联网使用. ◆ 短时蜂鸣模式支持NFPA 72 紧急疏散信号. 技术参数: 传感器:光学腔迷宫 太阳能电池板电压:5V 备...

Brand Name:TimeWave

Place of Origin:Hubei , China

... base and various independent photoelectric smoke fire detection alarms. The alarm information that the smoke sensor can send includes fire, fault, undervoltage, self-inspection and other information. They are universal, extensible and readable with the

Brand Name:ESTEL

Model Number:JTY-GD-T12(ZN)

Place of Origin:Shenzhen, China (Mainland)

...Monitoring System Spot-Type Photoelectric Smoke Sensor Detector Quick Details Place of Origin: Shenzhen, China (Mainland) Power Supply: DC 12(8~28)V Brand Name: ESTEL Monitoring Current:<0.7mA(12V) Product Name: Smoke Sensor / Detector Fire alarm Current...

Brand Name:Ariza

Model Number:SM11

Place of Origin:China

...Tuya or Smart Life App anywhere and anytime. 1 Tuya or Smart Life App Control WIFI Smoke Detector 2 Rapid warning & Fast notification of Smoke & Fire in a single alarm 3 Battery (included or excluded to be choose) 1.5V AA*2 4 Alarm Display with sound and

Brand Name:Mantern

Model Number:MTSD11

Place of Origin:China Mainland

...Smoke Detector Battery Operated Smoke Alarm Features: ◆MCU automatic processing technology ◆Manual test ◆Automatic detection ◆Infrared photoelectric sensor ◆Sound-light alarm ◆Strong adaptability for circumstance ◆SMT design, high stability Technical Data: Product Name Smoke...

Brand Name:ABC

Model Number:ABC-SP-M0002

Place of Origin:CHINA

Smoke alarm Independent infrared photoelectric sensing high decibel alarm Hotel hotel acceptance of fire detection Product Information Product Name Smoke Detector Way To Install Screws are recommended for fixing Size Maximum diameter 105mm Detection Zone 30㎡ Type Of Alarm Sound-Light Alarm Color White Sensor Infrared Photoelectric...

Brand Name:XF

Model Number:XF-0346

Place of Origin:China

...Detector With Infrared Poker Scanner Hidden Inside Seeing Luminous Marked Playing Cards I know that in America, many places will install smoke detectors, such as home, school and some poker club. So, it is ordinary seeing smoke detectors in these places. After testing, we produced the smoke detector IR camera for cards tricks use. How does the smoke detector work...

Brand Name:WINAN

Place of Origin:Guangdong, China

Model Number:YNA-SH936

Fire detector low power consumption low voltage independent photoelectric smoke detector indoor fire alarm Product Name: Wireless photoelectric Smoke Detector Heat Combined Detector Dimension: Φ105×40 mm Operating voltage: alkaline 9V battery Alarm volume...

Brand Name:eyesky

Place of Origin:china

ODM OEM CO Smoke Detector For Carbon Monoxide Gas Leakage Standalone Battery Operated 85dB Co Smoke Detector Voice Alarm CO and Smoke Detector Introduction: CO and Smoke Detector is a smart carbon monoxide and smoke combo detector ,adopts microprocessor ...

Place of Origin:China

Brand Name:COMER

Model Number:KM-SD1000

... and KM-IP5000. This small gadgets will alert and warn people stay far away from danger field when it detected smoke. This product named Photoelectric detector (hereinafter called detector) detects the smoke by a couple of infrared diodes. The principle of

Brand Name:Aeropak

Model Number:APK-8403

Place of Origin:Guangdong, China

...Smoke Detector Test Spray Household Product Smoke Detector Tester Description of Aeropak smoke Detector Test Spray The Aeropak Smoke Detector Test Spray is an aerosol tester used to check the functionality of smoke detectors. It is quick and easy to use. It can be used to test a wide range of smoke detectors. Product parameter of Aeropak smoke Detector Test Spray Model Number APK-8608 Product name AEROPAK Smoke Detector...