Characteristics: 1. Flexible air-cored sensor 2. Can be opened 3. Installed around a primary conductor without interrupting the circuit 4. Quick and easy installation 5. Hard to reach areas and with large conductors 6. Flexible and lightweight measuring head Available Models: H-FCT(High temperature tolerance) Temperature tolerance: Long time for over 150° , short time for over 200° . Can be used in water or oil. Technical Specification: 1. Output signal(di/dt): 144 mV/1000A @ 60 Hz, 120 mV/1000A @ 50 Hz 2. Accuracy(typ. ): < 1% typical at 10% to 200% of rated current (most accurate position, 25° C) 3. Linearity (10% to 100% of range): ± 0.2% of reading 4. Bandwidth (-3dB): 2Hz to 100kHz 5. Internal resistance: 80 ± 10% Ohms/400mm 6. Conductor position sensitivity: ± 1% of reading 7. Output sensitivity tolerance: ± 2% 8. Max. Response time (10 to 90%): 1us 9. Phase error: ≤ 1% 10. Basic Frequency: 10Hz to 10kHz 11. Rated Current(A): 300A AC 12. Working Frequency: 0.8Hz to 10MHz 13. Measuring Range(crest factor< 1.5@Basic Frequency): 0.01 to 300kA 14. Load Resistance: > 1kΩ 15. Weight of Electronics: Approx. 100g 16. Transfer Ratio M: 0.05...10 μH 17. Sensor Cable Length: 200mm to 10m 18. Sensor Cable Diameter: 4mm to 20mm 19. Signal Cable Diameter: 2.0 to 5.0mm 20. Signal Cable Length: 0.1m to 100m 21. Output Connection: Banana Plug Pair Output Connection 22. BNC Output Connection: OEM Cable Output 23. Calibration Kit: Special Cable Lengths and/or Gains on request 24. Operating Temperature: -10 to +60° C 25. Storage Temperature: -20 to +70° C Order Information: Rated current( A ) Coil lengths( mm ) Coil lengths( mm ) Color 250A 300mm 1m Black 500A 520mm 2m Yellow 900A 800mm 3.5m Red ^...^...^...Blue 50000A Custom lengths Custom lengths Green For example: ME333-1000-300-1-B has a 333mV output, a rated primary current 1000A, 300mm coil, 1m cable and it is black. Advantages: 1. Simple to install in applications where space is limited. 2. The size of the Rogowski coil can be specified independently of the primary current. 3. Does not suffer from magnetic saturation. 4. Intrinsically safe. Application: 1. Power meters 2. Energy sub-meters 3. Power quality monitoring 4. Condition monitoring 5. Distributed measurement systems. 6. Lighting current 7. Electric furnace 8. Harmonic management 9. Relay Protection The FCT series can be configured to suit a great many applications. Please contact us to discuss your application. Please feel free to contact me if anything unclear.