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AC Current Probes - List of Manufacturers, Suppliers, Companies and Products

AC Current Probes Product List

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AC Current Probe "CWT Ultra Mini Series"

AC Current Probe "CWT Ultra Mini Series"

Supports a wide frequency range from several Hz to 30 MHz! Ultra-thin probe with a cross-section of 1.7 mm.

The "CWT Ultra Mini Series" is an ultra-thin clip-shaped AC current probe capable of measuring the distance between pins in semiconductor devices such as the T0220 package. It is ideal for measuring excessive currents in electronic devices, sinusoidal (sine wave) currents, and pulse currents ranging from 1 to 12.0 kA. Additionally, it can be used for measuring small AC currents within large DC currents, as well as for the development and monitoring of power converters. 【Features】 ■ Temperature range -40℃ to +125℃ (coil and cable) ■ Wide frequency range from a few Hz to 30 MHz ■ Current range from peak 30 A to 12.0 kA ■ Maximum peak di/dt of 70 kA/μs ■ Maximum coil cross-section of 1.7 mm ■ Reading accuracy of ±2% *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • probe
  • Ammeter

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AC Current Probe "CWT Standard"

AC Current Probe "CWT Standard"

Easily insert the probe even in narrow spaces! It won't adversely affect the circuit.

The "CWT Standard" is a wideband AC current probe suitable for the development of power electronics. It features a detachable, thin, and flexible clip-shaped coil that reproduces fast-rising current waveforms such as sine, pseudo-sine, and pulse charging. It can be used for monitoring current waveforms of semiconductor switches, measuring pulse currents, and measuring harmonic current components. 【Features】 ■ Measurement current range: 300mA to 300kA ■ Frequency range: 0.1Hz to 16MHz ■ Easy to insert the probe even in narrow spaces ■ Structure that securely locks the coil ■ Does not adversely affect the circuit *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • probe
  • Ammeter

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AC current probe "CWT Mini"

AC current probe "CWT Mini"

Peak current can be customized up to 300kV! For measuring small alternating currents within high direct current.

The "CWT Mini" is a clip-shaped AC current probe capable of measuring current in tight spaces, such as circuit components. It directly connects the output of instantaneous voltage at ±6V to an oscilloscope, data acquisition device, DVM, or power recorder. The measurement current range is from 300mA to 30kA, with a reading accuracy of ±2%. The DC offset voltage is less than 2mV within the operating temperature range. 【Features】 ■ LF (-3dB) frequency range expanded to below 1Hz ■ Expansion of HF (-3dB) frequency range (up to 20MHz for a 100mm coil, and up to 15MHz for a 200mm coil) ■ Peak di/dt performance increased to 40kA/μs ■ 2kV withstand voltage for a 3.5mm cross-section diameter, and 5kV withstand voltage for a 4.5mm cross-section diameter ■ Peak current customizable up to 300kV *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • probe
  • Ammeter

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AC current probe "CWT"

AC current probe "CWT"

Easy to use with a thin and soft material! Current probe for power electronics development.

High-frequency 50MHz compatible! Rogowski coil type current probe The 【CWT Mini50HF】 is a Rogowski coil type current probe compatible with high frequency 50MHz (-3dB), manufactured by PEM (Power Electronic Measurements). The tip is detachable and made of a soft material that is thin and easily bendable, making it user-friendly and capable of accurately reproducing fast current waveforms, including sine waves, quasi-sine waves, and pulse waveforms. It is suitable for the development and analysis of power converters. 【Features】 ■ Detachable tip ■ Usable with digital voltmeters and power recorders *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Ammeter
  • Analytical Equipment and Devices
  • probe

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AC Current Probe "CWT Mini50HF"

AC Current Probe "CWT Mini50HF"

AC current probe with frequency characteristics supporting up to 50MHz.

The "CWT Mini50HF" is a Rogowski coil-type current probe with a frequency response of 50MHz (-3dB). Its tip is detachable, making it easy to wrap around conductors, and it is made of a soft, thin, and easily bendable material, making it very user-friendly. Just because it is easy to use does not mean it has poor performance; it can accurately monitor fast current waveforms, sine waves, quasi-sine waves, and pulse waveforms. It is battery-operated for easy handling, but it can also be powered by an AC adapter. Please feel free to contact us.

  • EMC countermeasure products
  • relay

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AC Current Probe "CMC"

AC Current Probe "CMC"

Common mode noise measurable current probe

Variable speed drives used for controlling AC motors can generate significant high-frequency PWM (Pulse Width Modulation) voltage on the machine's shaft, which may lead to arc currents flowing through the shaft. This current can potentially result in early failure of the motor drive, leading to overheating and melting. The common mode current that occurs in such motors and shafts can be measured using a new current probe called 'CMC.' CMC can also be used for various other applications.

  • EMC/Static electricity measuring equipment
  • AC Motor
  • Metal bearings

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AC Current Probe "CWT LF"

AC Current Probe "CWT LF"

Low-frequency specialized current probe

This is a current probe specialized for low frequencies, with less droop compared to other CWT series. The tip is detachable and made of a thin, flexible material that can be easily bent, making it user-friendly and capable of accurately reproducing fast current waveforms, sine waves, quasi-sine waves, and pulse waveforms. It is battery-operated for easy handling, but can also be powered by an AC adapter. Please feel free to contact us.

  • inverter
  • Other semiconductors

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AC current probe "CWT MiniHF"

AC current probe "CWT MiniHF"

Supports a temperature range of -40℃ to +125℃! For the development and monitoring of power converters, etc.

The "CWT MiniHF" is an AC current probe capable of measuring in tight spaces. By using an electrostatic shielded Rogowski coil, it can accurately avoid 50/60Hz voltage. Additionally, the peak current can be customized up to 300kA. It can be utilized in various applications, including measuring switching current waveforms of power electronics devices, developing and monitoring power converters, and measuring small AC currents within large DC currents. 【Features】 ■ Electrostatic shielded Rogowski coil ■ Expanded HF (-3dB) frequency range - Expanded up to 30MHz (100mm coil), 23MHz (200mm coil) ■ Improved peak di/dt performance up to 100kA/μs ■ Temperature range: -40℃ to +125℃ ■ Peak current customizable up to 300kA *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • probe
  • Ammeter

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AC Current Probes "CWT Mini" "CWT MiniHF"

AC Current Probes "CWT Mini" "CWT MiniHF"

"Peak current 30A to 300kA" can be used in narrow space circuits! For measuring AC current! *Demo unit available.

Frequency characteristics support up to 30MHz! This is an AC current probe that allows for the measurement of AC current even in narrow circuit spaces. The tip is detachable, making it easy to wrap around, and it is made of a soft material that is thin and easily bendable, making it a very user-friendly product. Just because it is easy to use does not mean it has poor performance; it can accurately monitor fast current waveforms, sine waves, quasi-sine waves, and pulse waveforms. It is battery-operated for easy handling, and it can also be powered by an AC adapter. Please feel free to contact us. 【Features】 ■ Essentially zero insertion impedance ■ No flying leads ■ Insulation measurement ■ Peak current range 30A to 300kA ■ Can drive up to ±6V at 1MΩ and 50Ω

  • Ammeter
  • Testing Equipment and Devices
  • probe

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AC Current Probe "CWT Ultra-mini"

AC Current Probe "CWT Ultra-mini"

Ultra-thin clip-shaped AC current probe with a maximum cross-section of 1.7mm. Supports high frequencies up to 30MHz! Ideal for measuring in tight pin spaces!

The "CWT Ultra-mini" is a clip-shaped AC current probe with an ultra-thin profile (cross-section of 1.7mm) in the Rogowski style. Due to its very thin coil, it enables current measurement of electronic components that could not be measured before. The tip is detachable, making it easy to wrap around, and it is made of a soft material that is thin and easily bendable, making it a very user-friendly product. It is battery-operated for easy handling, but it can also be powered by an AC adapter. Please feel free to contact us.

  • Other electronic measuring instruments
  • probe

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AC Current Probe "CWT"

AC Current Probe "CWT"

Supports high currents! Logosky-type electric field probe

The "CWT" is a Rogowski-type AC current probe that supports up to 300kA. It is suitable for electronic devices that use high currents, such as leakage circuit breakers. Since the tip is detachable, it can be easily wrapped around, and it is made of a soft material that is thin and easily bendable, making it a user-friendly product. Just because it is easy to use does not mean its performance is poor; it can accurately monitor fast current waveforms, sine waves, quasi-sine waves, and pulse waveforms. It is battery-operated for easy handling, but it can also be powered by an AC adapter. Please feel free to contact us.

  • power supply
  • relay

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