PEM CWT Ultra mini ultra-mini Rogowski coil UM150 pulse current probe 30KA (1.7 mm conductor diameter) for wide-bandgap semiconductor device test

CWT Ultra mini (CWT UM) is the smallest Rogowski coil in PEM products. The largest coil has a cross-sectional diameter of 1.7mm, small enough to pass through a semiconductor pin.

With a wide bandwidth up to 30MHz (-3dB) and a wide temperature range, outstanding high-frequency performance makes the CWT Ultra Mini an ideal choice for measuring pulse currents and sine waveforms in power electronics applications.

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   Main performance parameters of CWT Ultra mini:

• peak current: 30A - 6kA peak

• output: ±6.0V (full scale)

• high-frequency bandwidth (-3dB): 30MHz

• accuracy (typical): coil center position can reach up to ±0.2

• %. Operating temperature range: 0°C to +40°C (integrator); –40°C to +125°C (coil + lead)

• coil length: 80mm (customizable length)

• coil insulation: 1.2kV peak

• coil diameter: 1.7mm

• lead length: 1m (customizable length)

• power supply: AA battery or 12V DC power

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>    CWT Ultra mini Main features:

• Traceable calibration data (including certificates)

• Non-contact measurement has no effect on the tested circuit

• No magnetic materials means excellent linearity

• Fully isolated DC current, allowing testing of small ripple currents on large DC currents

• Overcurrent range will not cause damage (as long as absolute maximum di/dt is not exceeded)