PEM Rogowski Coil

PEM CWT Ultra Mini AC Current Probe

Clip-around AC Current Probe. A Rogowski Coil thin enough to fit between the legs of a T0220 semiconductor device. Insertion impedance < 5pH.

  • Peak Current: ±30A .. ±6kA
  • Coil Circumference: 80mm (standard) to 300mm (max)
  • Coil Cross Section: 1.6mm
  • Bandwidth: 2.0Hz to 30MHz (-3dB)
Out of Stock
CWT Mini50HF Product Photo

PEM CWT Mini50HF AC Current Probe

Clip-around AC Current Probe. Shielded for dV/dt rejection and increased HF bandwidth.

  • Peak Current: ±30A .. ±30kA
  • Coil Circumference: 100mm (standard)
  • Coil Cross Section: 3.5mm
  • Bandwidth: 3.0Hz to 50MHz (-3dB)
Out of Stock

PEM CWT Mini/MiniHF AC Current Probe

The MiniHF version adds electrostatic shielding for reduced interference from fast local dV/dt transients or high 50/60Hz voltages.

  • Peak Current: ±30A .. ±30kA
  • Coil Circumference: 100mm (standard) to 300mm (max)
  • Coil Cross Section: 3.5mm (2kV isolation) or 4.5mm (5kV isolation)
  • Bandwidth: 0.03Hz to 30MHz (-3dB)
Out of Stock

PEM CWT AC Current Probe

The CWT is ideal for power electronics development work because it combines an easy to use thin, flexible, clip-around coil with an ability to accurately replicate fast switching current waveforms.

  • Peak Current: ±30A .. ±300kA
  • Coil Circumference: 300 .. 1000mm (standard) to 10000mm (max)
  • Coil Cross Section: 8.5mm
  • Bandwidth: 0.0038Hz to 16MHz (-3dB)
Out of Stock

PEM LFR Dual-Range AC Current Probe

A dual range, clip-around, battery powered AC probe for general purpose ac power measurements. The LFR has a 10:1 switch selectable current ratio to give a wide dynamic range in a single probe.

  • Peak Current: ±60A .. ±60kA
  • Coil Circumference: 300 .. 1000mm (standard)
  • Coil Cross Section: 8.5mm
  • Bandwidth: 0.07Hz to 1MHz (-3dB)
Out of Stock
CMC Rogowski Coil

PEM CMC Common Mode Current Probe

A clip-around, current probe to measure high frequency common mode currents which flow from a variable speed motor drive to ground via the bearings in AC drive systems.

  • Peak Current: ±37.5A .. 150A
  • Coil Circumference: 500 .. 4000mm (Standard)
  • Coil Cross Section: 8.5mm
  • Bandwidth: 1.9kHz to 14MHz (-3dB)
Out of Stock

PEM RCT AC Current Probe

AC Rogowski Coils with a DIN Rail Mounted Integrator for permanent or semi-permanent installation on equipment. They are exceptionally simple to retrofit into existing plant.

  • Peak Current: ±100A .. 500kA
  • Coil Circumference: 500 .. 700mm (Standard)
  • Coil Cross Section: 8.5mm
  • Bandwidth: 0.6Hz to 600kHz (-3dB)
Out of Stock