H-FCT Series High-Frequency Flexible Rogowski Coil Complete Specifications

I. Basic Product Information
Product Type: High-Frequency Flexible Current Sensor (Rogowski Coil)
Compatible Equipment: Can be directly used with portable devices such as power analyzers
Protection Rating: IP67
Core Positioning: Wideband, ultra-high current measurement, suitable for high-frequency, transient, and high-current conditions
Customization Services: Coil size, sensitivity, signal line length, etc. can be customized as needed

II. Models and Dimensions
Table
Model Perimeter (mm) Inner Diameter (mm) Coil Cross-Section (mm) Coil Resistance (Ω) Signal Line Length
H-FCT-200 200 60 8 10-300 Default 2m, Customizable
H-FCT-350 350 105 8 10-300 Default 2m, Customizable
H-FCT-510 510 150 8 10-300 Default 2m, Customizable
Other Models Customizable 8 10-300 Customizable

III. Electrical Performance Parameters
Table Parameter Item Technical Specifications
Measurement Current Range 1A ~ 1000kA
Output Sensitivity (@50Hz) 1.1mV/kA±5%
6.8mV/kA±5%
10mV/kA±5%
30mV/kA±5% (Recommended for use within 1MHz)
Internal Resistance Temperature Drift Coefficient 200ppm/℃
Position Error ±2%
Zero Drift (OA Output) ≤0.1mV
Angle Difference ≤0.5°
Linearity ±0.2%
Bandwidth (-3dB) 1Hz-50MHz
Operating Temperature -40℃ ~ 80℃
Storage Temperature -50℃ ~ 90℃

IV. Core Product Features
Ultra-Wide Dynamic Range: Covering... 1A-1000kA, suitable for ultra-high current scenarios
Ultra-high bandwidth: 1Hz-50MHz, capable of measuring high-frequency current, transient pulses, and DC ripple
Strong overload capacity, low interference from adjacent conductors, no open-circuit high-voltage hazard, zero power consumption
Flexible and lightweight, easy to install, small positional error, excellent linearity
IP67 protection rating, suitable for humid and dusty industrial environments

V. Application Scenarios
Arc fault current, /capacitor discharge current detection
Smart meters, rectifiers, medium-frequency/power-frequency welding machine current measurement
Power quality analysis, power grid harmonic monitoring, active filters
Motor overload/short-circuit protection, high and low voltage switchgear protection systems
Electric furnace transformer secondary side, large conductor grounding fault monitoring
Power fault indicators, transmission line fault diagnosis, traveling wave ranging

VI. Comparison with TRC/NRC Series
Table Comparison Item H-FCT (High Frequency Type) TRC (Mini Type) NRC (Screw Type)
Bandwidth 1Hz-50MHz Maximum 50kHz 20kHz
Current Range: 1A-1000kA, 1A-500kA, 1A-6000A
Protection Rating: IP67, IP67, IP68
Applications: High frequency, transient, ultra-high current; portable, standard power frequency measurement; outdoor, standard high current, switch cabinet measurement