combined heat and smoke detector

Circuit for normally closed/opened rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate .

 smoke alarm have own Circuit for normally closed/opened  rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate .

                                 

                                       smoke alarm (AK-218A)

Description:

*  Power:110VAC/220VAC/230VAC( backup 9v battery),9v battery,12V-24VDC* Operating Current: 10 uA (normal) and 20-50 mA(alarm working)* Sensitivity to smoke:In comply with UL217 &BS5446: Part 1 2000* Kite mark License no. KM 53166. 0.81~1.42%/FT* Operating Temperature: 40oF - 100oF (4. 4C - 37.8oC)  Ambient Humidity : 10% - 90%.  Horn Level: 85 Decibels at 10 feet.* Battery life: 3 year * Interconnecting Gas detector     (1)Circuit for normally closed rely contacts   (2)Circuit for normally opened rely contacts  (3)Operating Frequency: 433 MHZ/315MHZ (optional)* Size:125mm*30mm* Weight:168g/pc * Package size:58.5cm*42.5cm*30.6cm* Quantity/BOX:80pcs......If you are interest in our factory and our smoke alarms,please contact joy,thanks.Welcome to China and visiting our factory!

combined heat and smoke detector