美GMW 电流测量

DaniSense DC/AC High Accuracy Current Transducers

PEM CWT Ultra Mini AC Current Probe

PEM CWT Mini50HF AC Current Probe

Very high accuracy current measurement for power converters, motor drives, electrochemistry, particle accelerator electromagnets, MRI gradient magnets.

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

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

•Peak Current: ±60A .. ±10000A
•Overall Accuracy: ~10ppm
•Bandwidth: DC – 5kHz .. DC – 1MHz (-3dB) (depends on model)

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

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

PEM CWT Mini/MiniHF AC Current Probe

PEM CWT AC Current Probe

PEM LFR Dual-Range AC Current Probe

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

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.

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: ±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)

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

•Peak Current: ±60A .. ±600kA
•Coil Circumference: 300 .. 1000mm (standard)
•Coil Cross Section: 8.5mm
•Bandwidth: 0.07Hz to 1MHz (-3dB)

PEM CMC Common Mode Current Probe

PEM RCT AC Current Probe

GMW DC/AC Clip-on 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.

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.

Electrically isolated measurement of high electric currents without disconnection of the primary conductor.

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

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

•Peak Current: ±250A .. ±2000A
•Accuracy: < ± 1% of Full Scale
•Bandwidth: DC – 75kHz (-3dB)
•Aperture: 27mm

GMW DC/AC Clamp-on Current Probe

VAC DC/AC Current Sensors

Bergoz IPCT DC/AC Current Transducer

Electrically isolated measurement of high electric currents without disconnection of the primary conductor.

Current Sensors for high accuracy and high stability current measurement

High sensitivity for low current. Differential and net current measurements of multiple conductors. Large internal diameter enables high voltage isolation.

•Peak Current: ±500A .. ±16000A
•Accuracy: < ± 1% of Full Scale
•Bandwidth: DC – 40kHz (-3dB)
•Aperture: 77mm and 160mm

•Peak Current: ±700A .. ±2500A
•Accuracy: < ± 0.5% of Full Scale
•Bandwidth: DC – 50kHz (-3dB)

•Peak Current: ±10mA .. ±5000mA
•Resolution: 10uA
•Bandwidth: DC – 4.2kHz

MagneLab CT Current Transformer

Bergoz FCT Current Transformer

Senis NVM-01 NanoVolt Amplifier

The Magnelab Current Transformer (CT) provides an accurate, ohmically isolated, measurement of unipolar, bipolar pulse or alternating current.

The Fast Current Transformer (FCT) is a wideband AC transformer with a rise time down to 175ps and a bandwidth up to 2GHz.

The NVM-01 is a low noise amplifier module, for sensitive DC/AC measurement and data acquisition systems. It is ideal as an input for accurate voltage measuring systems down to nV range and for measuring of low noise and of low impedance sources.

•Peak Current: ±200A .. 200kA
•Droop: 4%/ms .. 0.0003%/ms
•Rise time: 0.875ns .. 17.5ns

•Bandwidth up to 1.75GHz 200-ps risetime
•Droop down to 0.1%/μs down to 160 Hz lower cutoff freqency
•Extra-high sensitivity up to 5 V/A

•Ultra-low noise & offset fluctuation amplifier, allowing very high resolution measurements (spectral density of noise down to 1 nT/ Hz )
•Very high linearity