Vibration Optical Fiber Alarm System

Product Description

Product Description Vibration Optical Fiber Alarm System
The working principle of the vibrating fiber is that the launching laser emits a DC monochromatic light wave, which is coupled into the two-core sensing fiber in the forward and reverse directions through the fiber coupler, forming a forward and reverse loop Mach-Zehnder interference optical signal; After the optical fiber is disturbed by external vibration along the line, it will cause the phase change of the light wave in the optical fiber transmission, forming an optical signal phase modulation sensing signal based on double-loop Mach-Zehnder interference, which is transmitted to the photodetector through the optical fiber coupler and optical circulator , Detect the light intensity change of the interference light signal, and realize the fiber vibration alarm.

Working voltage	12VDC
Alarm response time	<3 s
Warning power consumption	<1W
Length of defense zone	≤1000 meters
Alarm power consumption	<1.5W
Working temperature	-30ºC--70ºC
Communication interface	LAN
Response time	≤2S
Vibrating optical cable interface	FC/APC
Working wavelength	1510-1590nm
MTBF	2000h (Grade C)
Number of equipment defense	zones ≤2
Power surge protection	Electric capacity: 10KA 8/20μs Clamping voltage: 40VDC
Electric shock capacity of linkage relay:	0.2A 110VDC 0.3A 125VAC 0.5A 30VDC

Company Introduction
As one of the leading manufacturers on perimeter fencing products, DD-FENCE has more than Ten years running experience, and enjoy a high reputation in China fencing industry. Now our business covers: Steel or Aluminum Fencing, Cast Aluminum or Cast Iron fencing, as wells as kinds of swing or sliding gates.

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