- Sensors[1]
- Alarm[19]
- Fire Alarm Control Panel[1]
- Fire Blanket[1]
- Fire Extinguisher[37]
- Fire Extinguisher Powder[2]
- Fire Hose[1]
- Fire Hydrant[12]
- Firefighting Equipment[3]
- Heat Detector[2]
- Other Firefighting Supplies[59]
- Smoke Detector[7]
Conventional smoke detector (2111P)
Product Detailed
Conventional Smoke Detector,Two or four-wire model,Advanced detection and discrimination algorithm,Easy installation,maintenance
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