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PEM Rogowski Coil CWTMini50HF 50M Datasheet datasheet.pdf
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CWT Mini50HF is optimized for faster switching devices (such as SiC), with a 50 MHz high-frequency (-3 dB) bandwidth and a 100 mm coil, and a thickness of only 3.5 mm (2 kV peak damage).
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CWT Mini50HF main performance parameters:
Peak current: 30 A - 3 kA peak
Output: ±6.0 V (full scale)
High-frequency bandwidth (-3 dB): 50 MHz
Accuracy (typical): up to ±0.2% at the center position of the coil
Operating temperature range: 0 °C to +40 °C (integrator);
–40 °C to +125 °C (coil + lead)
Coil length: 100 mm
Coil insulation: 2 kV peak
Coil wire diameter: 3.5 mm
Lead length: 1 m (custom lengths available)
Power supply: AA battery or 12 V DC power adapter
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CWT Mini50HF main features:
Traceable calibration data (including certificate)
Non-contact measurement has no effect on the circuit under test
No magnetic material means excellent linearity
Full isolation of DC current enables measurement of small ripple currents on large DC currents
Overcurrent range does not cause damage
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| Parameter | Value |
|---|---|
| Peak Current | 30 A |
| High Frequency Bandwidth | 50 MHz |
| Low Frequency Cut-off | 150 Hz |
| Frequency Bandwidth | 50 MHz (100 mm) / 36 MHz (200 mm) (by coil length) |
| Peak di/dt | 2 kA/µs |
| Droop Rate | 85 %/ms |
| Sensitivity | 200 mV/A |
| Noise | 20 mV (p-p, peak-to-peak) |
| Coil Withstand Voltage | 2 kV (φ3.5) / 5 kV (φ4.5) (by coil diameter) |
| Operating Temperature | -40~+125 °C |
| Zero Adjustment | No |
| Coil Diameter | 3.5 mm / 4.5 mm (two wire diameters available) |
| Coil Length | 100 / 200 mm (up to 500 mm) |
| Cable Length | 1.0 m |