PEM Rogowski coil CWT MiniHF1/MiniHF3 high-frequency mini pulse current probe 300 A/600 A (conductor diameter 4.5 mm)

PEM CWT Mini and MiniHF are produced by the globally renowned Roche current probe brand PEM,

CWT Mini series Roche current coils feature a smaller form factor and nearly zero insertion impedance.


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CWT Mini & MiniHF main performance parameters:

• peak current: 30A - 30kA peak current

• output: ±6.0V (full scale)

• bandwidth (3dB): 30MHz

• 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 (CWT MiniHF coil);
                       –20°C to +100°C (CWT Mini coil).

• coil length: 100 or 200mm (customizable length

).

• coil insulation: 2kV peak (3.5mm wire diameter); 5kV peak (4.5mm wire diameter)

• lead length: 1m, 2.5m, or 4m (customizable length

).

•  Power supply: AA battery, 12V DC power adapter

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CWT Mini & MiniHF Main features:

• Traceable calibration data (including certificates)

• non-contact measurement has no effect

• on the circuit under test no magnetic material means excellent linearity

• completely isolates DC current, allowing testing of small ripple currents on large DC

currents

• Long-term withstand voltage up to 5kV (2kV withstand voltage for CWT Mini with 3.5mm wire diameter)

• Overcurrent range will not cause damage (does not exceed the absolute maximum di/dt)