HIOKI Current Sensors – precision measurement for your application

Zero-flux current sensors for high-precision measurement

Since 1971, HIOKI pioneered precision current sensing and has expanded this expertise across a wide range of measurement applications. Today, HIOKI offers a broad range of current sensors that are indispensable across numerous industries for efficiency analysis, inverter testing, observing current waveforms, and measuring high currents.

Choose the right HIOKI current sensor from three main groups:

Precision current clamps – for non-intrusive AC/DC current measurement up to 2000 A with a clamp-on design
Wideband current probes – for high-speed waveform analysis with bandwidths up to 120 MHz and direct oscilloscope connection
Current transducers – for high-accuracy current measurement up to 2000 A in power analysis applications

Precision Current Clamps

Wideband Current Probes

Current Transducers

38 Products

3269

HIOKI 3269 - Power Supply for Current Probes, 2500 mA

4-channel power supply unit for HIOKI Hall-sensor based zero-flux current probes, 12 VDC output voltage, 2500 mA total maximum output current

€1,078.00

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3272

HIOKI 3272 - Power Supply for Current Probes, 600 mA

2-channel power supply unit for HIOKI Hall-sensor based zero-flux current probes, 12 VDC output voltage, 600 mA total maximum output current.

€718.00

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3273-50

HIOKI 3273-50 - AC/DC Current Probe, 30 A / 50 MHz

Hall sensor based zero-flux current probe suitable for capturing small to high-speed currents

€2,748.00

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3275

HIOKI 3275 - AC/ DC Current Probe, 500 A / 2 MHz

Hall sensor based zero-flux current probe suitable for capturing small to high-speed currents, wide bandwidth from DC to 2 MHz, measurable continuous current up to 500 A, high signal-to-noise ratio, standard BNC oscilloscope connectivity, built-in overload protection

€4,058.00

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3276

HIOKI 3276 - AC/DC Current Probe, 30 A / 100 MHz

Hall sensor based zero-flux current probe suitable for capturing small to high-speed currents, wide bandwidth from DC to 100 MHz, measurable continuous current from 10 mA to 30 A, high signal-to-noise ratio, standard BNC oscilloscope connectivity, built-in overload protection

€3,568.00

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CT6700

HIOKI CT6700 - AC/DC Current Probe, 5 A / 50 MHz

Hall sensor based zero-flux current probe suitable for capturing very small to high-speed currents, wide bandwidth from DC to 50 MHz, measurable continuous current from 1 mA to 5 A, high signal-to-noise ratio, standard BNC oscilloscope connectivity, built-in overload protection

€2,988.00

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CT6701

HIOKI CT6701 - AC/DC Current Probe, 5 A / 120 MHz

Hall sensor based zero-flux current probe suitable for capturing very small to high-speed currents, wide bandwidth from DC to 120 MHz, measurable continuous current from 1 mA to 5 A, high signal-to-noise ratio, standard BNC oscilloscope connectivity, built-in overload protection

€3,568.00

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CT6704

HIOKI CT6704 - AC/DC Fluxgate Current Probe, 200 A / 30 MHz

AC/DC current probe with fluxgate sensing, 200 A rated current, ±400 A peak, DC to 30 MHz bandwidth, 10 mV/A output, BNC connector, 11.6 ns rise time, ±0.5 % rdg. ±0.5 mV accuracy, overload indication

€3,498.00

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CT6705

HIOKI CT6705 - AC/DC Fluxgate Current Probe, 500 A / 15 MHz

AC/DC current probe with fluxgate sensing, 500 A rated current, ±800 A peak, DC to 15 MHz bandwidth, 10 mV/A output, BNC connector, 23.3 ns rise time, ±0.5 % rdg. ±1 mV accuracy, overload indication

€4,398.00

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CT6710

HIOKI CT6710 - AC/DC multi-range current probe, 30 A / 50 MHz

Hall sensor based zero-flux current probe suitable for capturing micro to very fast currents, wide bandwidth from DC to 50 MHz, measurable current from 200 μA to 30 A in 3 ranges (500 mA, 5 A, 30 A), high signal-to-noise ratio, standard BNC oscilloscope connectivity, built-in overload protection

€4,758.00

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CT6711

HIOKI CT6711 - AC/DC multi-range Current Probe, 30 A / 120 MHz

Hall sensor based zero-flux current probe suitable for capturing micro to high-speed currents, wide bandwidth from DC to 120 MHz, measurable current from 200 µA to 30 A in 3 ranges (500 mA, 5 A, 30 A), high signal-to-noise ratio, standard BNC oscilloscope connectivity, builtin overload protection

€5,598.00

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CT6830

HIOKI CT6830 - Ultra-compact AC/DC Current Probe, 2 A / 100 kHz

Ultra-small, zero-flux clamp-on AC/DC Current Probe using flux gate detection, high accuracy ±0.3% rdg., wide temperature range -40 to 85 °C, measurable current up to 2 A, ME15W connector

€1,628.00

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Precision current clamps Wideband current probes up to 500 A Current transducers up to 2000 A

Current, Bandwidth & Size: Pick your Current Clamp

HIOKI AC/DC precision current clamps combine high-precision current measurement with the ease of use with a split-core, clamp-on design. Engineered for non-contact AC/DC current measurement with advanced fluxgate technology, these clamp-on sensors enable fast, hassle-free deployment in laboratory, field, test bench, and production applications without interrupting the circuit.

Whatever your measurement task is, HIOKI has the right current clamp for you: from the CT6847A for high currents up to 2000 A up and conductors up to 50 mm diameter, to the compact CT6833 and CT6834 for measurements up to 500 A in tight spaces and ultra-compact models for small conductors in cable harnesses. Compare the key specifications and find the HIOKI current clamp that fits your application – from vehicle power testing and production quality control to power electronics and precision waveform analysis. Achieve highly accurate measurement results with minimal setup time.

Explore HIOKI current clamp types

Current, Bandwidth & Size: Pick your Current Clamp

Model	Rated current	Bandwidth	Basic accuracy	Max. conductor diameter
CT6847A	±2000 A	DC – 70 kHz	±0.15% rdg	Ø 50 mm
CT6846A	±1000 A	DC – 100 kHz	±0.2% rdg	Ø 50 mm
CT6845A	±500 A	DC – 200 kHz	±0.2% rdg	Ø 50 mm
CT6844A	±500 A	DC – 500 kHz	±0.2% rdg	Ø 20 mm
CT6843A	±200 A	DC – 700 kHz	±0.2% rdg	Ø 20 mm
CT6841A	±20 A	DC – 2 MHz	±0.2% rdg	Ø 20 mm
CT6834	±500 A	DC – 50 kHz	±0.07% rdg	Ø 20 mm
CT6833	±200 A	DC – 50 kHz	±0.07% rdg	Ø 20 mm
CT6831	±20 A	DC – 100 kHz	±0.3% rdg	Ø 5 mm
CT6830	±2 A	DC – 100 kHz	±0.3% rdg	Ø 5 mm

Precision current clamps up to 2000 A Wideband current probes up to 500 A Current transducers up to 2000 A

TOP3-HIOKI-CT6705-ac-dc-fluxgate-current-probefor-oscilloscopes

Wideband Oscilloscope Current Probes up to 500 A

HIOKI wideband current probes are high-performance oscilloscope current probes for precise AC/DC current waveform analysis. With bandwidths up to 120 MHz, fast rise times down to ≤2.9 ns, and measurement ranges up to 500 A, they capture fast switching transients, dynamic current signals, and high-frequency current waveforms with high signal fidelity.

Select your current probe suiting your application needs: Portfolio highlights include the CT6711 with three selectable current ranges for flexible wideband current measurements, as well as the fluxgate-based CT6705 and CT6704 for reliable high-current and high-speed oscilloscope current measurement with zero drift and a wide operating temperature range. Typical applications include power electronics evaluation, inverter testing, signal integrity analysis, and high-speed current analysis and precision waveform observation.

Explore HIOKI wideband current probe types

Compare wideband current probe specifications

Model	Rated current / ranges	Bandwidth	Rise time	Max. conductor diameter	Sensing method	Suitable power supplies
CT6711	0.5 / 5 / 30 A	DC – 120 MHz	≤ 2.9 ns	Ø 5 mm	Hall element	3269
CT6710	0.5 / 5 / 30 A	DC – 50 MHz	≤ 7.0 ns	Ø 5 mm	Hall element	3269
CT6701	5 A	DC – 120 MHz	≤ 2.9 ns	Ø 5 mm	Hall element	3269, 3272
CT6700	5 A	DC – 50 MHz	≤ 7.0 ns	Ø 5 mm	Hall element	3269, 3272
3276	30 A	DC – 100 MHz	≤ 3.5 ns	Ø 5 mm	Hall element	3269, 3272
3273-50	30 A	DC – 50 MHz	≤ 7.0 ns	Ø 5 mm	Hall element	3269, 3272
CT6704	200 A	DC – 30 MHz	≤ 11.6 ns	Ø 20 mm	Fluxgate	3269
CT6705	500 A	DC – 15 MHz	≤ 23.3 ns	Ø 20 mm	Fluxgate	3269

Precision current clamps up to 2000 A Wideband current probes up to 500 A Current transducers up to 2000 A

TOP4-CT6904_Pass-through-current-sensors-2-1

High-Accuracy Current Transducers up to 2000 A

HIOKI transducers are designed for precise AC and DC current measurement in lab test environments. The portfolio includes pass-through current sensors for power analyzer setups, from compact medium-current models to high-current transducers for demanding test benches. Depending on the model, they support currents up to 2000 A (CT6877A), bandwidths up to 10 MHz (CT6872/CT6873), and accuracy down to ±0.025 % rdg. at 4 MHz bandwidth (CT6904A) – enabling reliable measurement of fast current dynamics with excellent repeatability.

Engineers use HIOKI current transducers for motor testing, inverter testing, converter testing, EV drivetrain development, inductor loss testing, harmonic analysis, efficiency analysis, and power grid connection testing in power electronics applications.

Explore HIOKI current transducers

Compare current transducer specifications

Model	Rated current	Bandwidth	Basic accuracy	Max. Conductor diameter
CT6877A	2000 A	DC – 1 MHz	0,04 % rdg	Ø 80 mm
CT6876A	1000 A	DC – 1.5 MHz	0,04 % rdg	Ø 36 mm
CT6875A	500 A	DC – 2 MHz	0,04 % rdg	Ø 36 mm
CT6904A	500 A	DC – 4 MHz	±0,025 % rdg	Ø 32 mm
CT6873	200 A	DC – 10 MHz	±0,03 % rdg	Ø 24 mm
CT6872	50 A	DC – 10 MHz	±0,03 % rdg	Ø 24 mm
CT6863-05	200 A	DC – 500 kHz	±0,05 % rdg	Ø 24 mm
CT6862-05	50 A	DC – 1 MHz	±0,05 % rdg	Ø 24 mm