Fire Alarm,Conventional Smoke Detector,Two or four-wire model,Advanced detection and discrimination algorithm,Easy installation

 

Fire Alarm,Conventional Smoke Detector,Two or four-wire model,Advanced detection and discrimination algorithm,Easy installation,maintenance

Product features

 Two or four wire models Advanced detection and discrimination algorithms Easy installation and maintenance Sleek low-profile housing design SMD circuit board design-satisfactory quality and reliability guaranteed  N/C (normal/close) -N/O (normal/open) selectable relay output  AR (Auto Reset) function for security systems (optional for 4-wire models)

   Sensor specification:

 Smoke sensitivity: 1.90, +/- 0.92%/FT obscuration (UL standard); 0.10 to 0.157dB/m (En-54 standard) Ceiling spacing: 50-foot rating for heat sensor Start-up current: 70uA maximum Alarm impedance: for two-wire models: 100 Ohms +3V maximum; 560 Ohms +3V maximum (red LED open circuit) Reset voltage: less than 1V Reset time: less than one second Alarm indicator: LED continuously emitting red light Remote output: 15mA maximum, diode gate Temperature range: -10 to 50 degrees Celsius Permissible current: 80mA maximum at 13.8V Humidity: 0 to 95% RH, no condensation or icing Alarm contact: (for 4-wire) NO or NC operation, form A: 1.0A at 30V DC/0.5A at 125V AC Dimensions (diameter x H): 100 x 46mm, with base  Weight: 130g/set, with base