Đầu dò báo khói quang học BOSCH D273
– Đầu dò báo khói 4-dây, sử dụng công nghệ quang học, dùng được cho các loại tủ báo cháy khác như NETWORX…
– Nguồn điện 12VDC hoặc 24VDC.
– 12 VDC or 24 VDC input
– Designed for commercial or residential use
– Four-wire application
– Light-emitting diodes (LEDs) indicate the status of the chamber, power, and alarm
– Removable terminal block to simplify wiring connections
– Cable connection point for voltmeter sensitivity test
Relative Humidity:
Up to 93%, non-condensing
Operating and StorageTemperature:
+32°F to +120°F (0°C to +40°C)
Radio FrequencyInterference (RFI)Immunity
No alarm or setup on critical frequencies in the range of 26 MHz to 950 MHz.
Dimensions (Diameter x H):
5 in. x 2 in. (12.7 cm x 5.1 cm)
Material:
High impact, fire retardant ABS plastic
Power-up Time:
22 sec maximum
RMS Ripple:
25% of DC input maximum
Voltage (stand-by):
10 VDC to 30 VDC
Current Draw (alarm) at 30 VDC
18 mA maximum
Current Draw (standby)
0.1 mA maximum
