Wired smoke detector 12v 24v temperature alarm contact relay no nf

Wired smoke detector 12v 24v temperature alarm contact relay no nf 12V DC Smoke Detector Photoelectric Alarm Detector for Home Wired Alarm System Fire Safety Detector Technical parameters: Working voltage: DC9V-35V; Quiescent current: = 100mA Alarm current: 70 ~ 90mA (DC24V / H) Remote output: = 15mA Alarm indicator: red LED Operating temperature: -10 to + 50 degrees Environmental humidity: = 95% RH Coverage area: 80 M2 (space height: 6m ~ 12m); 60M2 (height of space: = 6m) Dimension: 104MM * 49MM Characteristics:: This product is an uncoded type smoke detector, which directly accesses the operation by connecting the 12 V DC power supply. When it is working normally, the red LED indicator light will flash three times slowly and then enter the normal standby state, the red LED indicator light will flash once every 8 seconds, and also will always be on during alarm. Detector with a pair of output contacts (open / close port is optional). When alarming, contact closed, after the alarm will be turned off; When the space probe drops to the concentration of smoke alarm products values ​​(standard value for each foot of the low ash of 3.2%, the sensors have a response), the machine will be reset to Normal working state automatically . Benefits: 1.infrared photoelectric sensor 2.Police exclude the situation automatically reset 3.Microprocessor chip to control the professional / filter out all kinds of false positives 4.net output / LED flashing alarm instructions 5.MST professional placement process, stability 6.Dust-proof / pest control / anti-interference white design 7.NC / no option