ขาย Conventional Photoelectric Smoke alarm and Heat Detector FT103 DC9-28V work with all conventional panel vdBb ราคาที่ดีที่สุด

Conventional Photoelectric Smoke alarm and Heat Detector FT103 DC9-28V work with all conventional panel SPECIFICATIONS Operating Voltage Range: 9 to 28VDC Volts Non-polarized Standby Current: ≤90μA @ 24 VDC Maximum Alarm Current (LED on: ) ≤30mA @ 24 VDC Operating Humidity Range: 10% to 93% Relative Humidity, Non-condensing Operating Temperature Range: 14°F to 120°F (-10°C to 49°C) Smoke Sensitivity: 0.15～0.30dB/m Fixed Temperature Rating: 135°F (57°C) Rate of Rise Detection: Responds to greater than 15°F/min Height: 2.2˝ (55 mm) installed in Base Diameter: 4.0˝ (103 mm)