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Fiber Optical Current Sensing Fixed Coils
Product Features Product Applications
All-fiber structure Smart grid
Easy to install and transport Rail transit
Insensitive to shock and vibration Electrolytic aluminum industry
Excellent temperature consistency and long term reliability Local area power control system
Integrated broadband wave plate Super large pulse current monitoring system
Basic Optical Specifications
Parameters Unit Value
Operating Wavelength nm 1310, 1550
Bandwidth nm ±30
Temperature Coefficient for Transmissive Model %/°C ±0.002
Temperature Coefficient for Reflective Model %/°C ±0.004
Linearity deviation for Temperature Coefficient Type % ±2
Insertion Loss Type dB 3.0
Insertion Loss Max dB 4.0
Modal Field Diameter Type um 9.0±0.5
Operating Temperature °C -40 to +85
Voltage grade A (mm) B (mm) C (mm)
1 For 110kV 170 250 25
2 For 220kV 280 360 25
3 For 500kV 560 640 25
4 For 750kV 800 900 30
5 For 1000kV 1200 1300 30
Order information
C O I L 1 0
      voltage
1=110kV
2=220kV
3=500kV
4=750kV
5=1000kV
Sensing mode
T=transmission
R=reflect
Wavelength
4=1550nm
5=1480 nm
7=1310nm
    Fiber Type
E= Panda
Pigtail
M=0.9mm loose tube
L=3mm cable
Fiber Length
1= 1.0 m
2= 2.0 m
3= 3.0 m
Connector
0= None

note: 1. Central Wavelength can be customized for different applications.

2. A,B,C can be customized