High-frequency Rogowski coil | up to 10 MHz | Ø50 mm | up to 500 kA | 2 m cable | H-FCT-200

Technical Specifications

Type: High-frequency Rogowski current measurement coil
Model: H-FCT-200
Coil length: 200 mm
Inner window diameter: 50 mm
Cross-section: 8 mm
Rated input current: up to 500 kA
Output transfer ratio: 1.2 mV/kA @ 50 Hz
Accuracy: ±5% (uncalibrated, temperature drift ~200 ppm/°C)
Linearity: ±0.2% (from 2% to 100% of rated current)
Frequency bandwidth: 1 kHz – 10 MHz
Cable length: 2 m
Measurement type: Alternating and pulsed current (AC, HF)

Functions

High-frequency current measurement up to 10 MHz
Detection of pulsed and extremely high currents (up to 500 kA)
Non-invasive measurement – no need to interrupt the circuit
Wide linear operating range
Flexible construction for easy installation

Applications

Electronics and power engineers: Suitable for analysis of IGBTs, MOSFETs, inverters, switching power supplies, capacitor discharges, short pulses, and switching transients.
Laboratories and test benches: Used in high-voltage and high-current tests in university and industrial laboratories where very fast current response is required.
Industrial diagnostics and specialized measurements: Suitable for EMC/EMI testing and monitoring explosive or pulsed processes where current levels and frequencies exceed standard measurement limits.

Pros

Extremely wide frequency bandwidth – up to 10 MHz
Capability to measure very high pulsed currents (up to 500 kA)
Non-invasive and safe measurement
Flexible and compact design
Ideal for laboratory and R&D applications

Cons

Uncalibrated coil – individual calibration may be required for higher accuracy
Not intended for standard energy metering
Requires an external integrator or oscilloscope for signal processing