الوصف

Conventional Smoke Detector, Two or four-wire model, Advanced detection and discrimination algorithm, Easy installation, maintenance Product features o Two or four wire models o Advanced detection and discrimination algorithms o Easy installation and maintenance o Sleek low-profile housing design o SMD circuit board design-satisfactory quality and reliability guaranteed o N/C (normal/close) -N/O (normal/open) selectable relay output o AR (Auto Reset) function for security systems (optional for *-wire models) Sensor specification: o Smoke sensitivity: 1.*0, +/- 0.*2%/FT obscuration (UL standard); 0.*0 to 0.**7dB/m (En**4 standard) o Ceiling spacing: **-foot rating for heat sensor o Start-up current: *0uA maximum o Alarm impedance: for two-wire models: **0 Ohms *3V maximum; **0 Ohms *3V maximum (red LED open circuit) o Reset voltage: less than 1V o Reset time: less than one second o Alarm indicator: LED continuously emitting red light o Remote output: *5mA maximum, diode gate o Temperature range: **0 to *0 degrees Celsius o Permissible current: *0mA maximum at *3.8V o Humidity: 0 to *5% RH, no condensation or icing o Alarm contact: (for *-wire) NO or NC operation, form A: 1.0A at *0V DC/0.5A at **5V AC o Dimensions (diameter x H): **0 x *6mm, with base Weight: **0g/set, with base