It’s a match. Your application – our precision sensors.

Zero-Flux technology - accuracy from mA to kA

HIOKI’s precision sensors are the best choice for highly accurate and stable measurements even at high currents up to 2000 A and high frequencies up to 4 MHz. Choose from our wide portfolio including clamp-type sensors and pass-through type sensors. They work perfectly with HIOKI’s power meters and memory recorders because measurement instruments and sensors are all developed out of one source.

HIOKI’s precision sensors ensure reliable results even under harsh conditions—thanks to exceptional temperature stability and noise resistance - even when performing harmonic analysis at high switching frequencies. That's why they're trusted across industries like automotive, aerospace, and renewable energy.

CT6830

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 oC, measurable current from 100 µAup to 2 A, ME15W connector

€1,548.00*

CT6831

CT6831 - Ultra-compact AC/DC Current Probe, 20 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 oC, measurable current from 1 mAup to 20 A, ME15W connector

€1,548.00*

CT6833

CT6833 - Super-slim AC/DC high-accuracy Current Clamp, 200 A / 50 kHz

Ultra-slim AC/DC current clamp using advanced fluxgate technology, 200 A rated current, DC to 50 kHz frequency bandwidth, high accuracy ±0.07% rdg., wide temperature range of -40°C to +85°C, maximum conductor diameter 20 mm, cable length 5 m

€2,178.00*

CT6834

CT6834 - Super-slim AC/DC high-accuracy Current Clamp, 500 A / 50 kHz

Ultra-slim AC/DC current clamp using advanced fluxgate technology, 500 A rated current, DC to 50 kHz frequency bandwidth, high accuracy ±0.07% rdg., wide temperature range of -40°C to +85°C, maximum conductor diameter 20 mm, cable length 5 m

€2,248.00*

CT6841A

CT6841A - AC/DC High-accuracy Current Clamp, 20 A / 2 MHz

AC/DC current clamp using advanced fluxgate technology, 20A rated current, basic accuracy ±0.2% rdg., wide temperature range of -40 °C to 85 °C, wide bandwidth from DC to 2 MHz, maximum conductor diameter 20 mm, cable length 3 m

€1,818.00*

CT6843A

CT6843A - AC/DC High-accuracy Current Clamp, 200 A / 700 kHz

AC/DC current clamp using advanced fluxgate technology, 200A rated current, basic accuracy ±0.2% rdg., wide temperature range of -40 °C to 85 °C, wide bandwidth from DC to 700 kHz, maximum conductor diameter 20 mm, cable length 3 m

€1,878.00*

CT6844A

CT6844A - AC/DC High-accuracy Current Clamp, 500 A / 500 kHz

AC/DC current clamp using advanced fluxgate technology, 500A rated current, basic accuracy ±0.2% rdg., wide temperature range of -40 °C to 85 °C, wide bandwidth from DC to 500 kHz, maximum conductor diameter 20 mm, cable length 3 m

€1,988.00*

CT6845A

CT6845A - AC/DC Current Clamp, Fluxgate, 500 A / 200 kHz

AC/DC current clamp using advanced fluxgate technology, 500A rated current, basic accuracy ±0.2% rdg., wide temperature range of -40 °C to 85 °C, bandwidth from DC to 200 kHz, maximum conductor diameter 50 mm, cable length 3 m

€1,988.00*

CT6846A

CT6846A - AC/DC High-accuracy Current Clamp, 1000 A / 100 kHz

AC/DC current clamp using advanced fluxgate technology, 1000A rated current, basic accuracy ±0.2% rdg., wide temperature range of -40 °C to 85 °C, bandwidth from DC to 100 kHz, maximum conductor diameter 50 mm, cable length 3 m

€2,328.00*

CT6862-05

CT6862-05 - AC/DC Current Sensor, Fluxgate, 50 A / 1 MHz

The CT6862-05 is a pass-through AC/DC current sensor designed for precision power measurement in industrial environments. It features a wide frequency range and low phase shift, making it highly suitable for accurate waveform observation and harmonic analysis. Technical Details: Current Rating: 50 A AC/DC Frequency Range: DC to 1 MHz Accuracy: ±0.05% rdg, ±0.01% f.s. Maximum Conductor Diameter: 24 mm Operating Temperature: -30°C to 85°C Input Impedance Requirement: 1 MΩ or higher

€778.00*

CT6863-05

CT6863-05 - closed current transformer

The CT6872 is a high-precision AC/DC current sensor designed for detailed waveform observation and harmonic analysis. With a frequency range of up to 10 MHz, it is ideal for high-frequency power electronics testing. It supports automatic phase shift correction (APSC). Technical Details: Current Rating: 50 A AC/DC Frequency Range: DC to 10 MHz Accuracy: ±0.03% rdg, ±0.002% f.s. Maximum Conductor Diameter: 24 mm Operating Temperature: -40°C to 85°C • Input Impedance Requirement: 1 MΩ or higher

€778.00*

CT6872

CT6872 - AC/DC Current Sensor, Fluxgate, 50 A / 10 MHz

€1,698.00*

CT6873

CT6873 - AC/DC Current Sensor, Fluxgate, 200 A / 10 MHz

The CT6873A is an advanced current sensor that provides high-precision AC/DC current measurements for power analysis applications. Its wide frequency range and excellent phase accuracy make it suitable for complex waveform and harmonic studies. It supports automatic phase shift correction (APSC).Technical Details Current Rating: 200 A AC/DC Frequency Range: DC to 10 MHz Accuracy: ±0.03% rdg, ±0.002% f.s. Maximum Conductor Diameter: 24 mm Operating Temperature: -40°C to 85°C Input Impedance Requirement: 1 MΩ or higher

€1,698.00*

CT6875A

CT6875A - AC/DC Current sensor

The CT6875 AC/DC Current Sensor is designed for accurate current measurements across a broad frequency range, from DC to 2 MHz (Model CT6875-01: DC to 1.5 MHz). With a rated current of 500 A, it is ideal for R&D, quality evaluation, manufacturing, and maintenance in industries such as wireless charging systems, inverter motors, PV power conditioners, and EV quick charging facilities. In combination with the Power Analyzer PW8001, the sensor allows for precise high-frequency and low power factor measurements. Technical Details: Rated Current: 500 A Frequency Bandwidth: CT6875: DC to 2 MHzBasic Accuracy: Amplitude: ±0.04 % rdg. ±0.008 % f.s., Phase: ±0.08° Maximum Conductor Diameter: 36 mm Maximum Rated Voltage to Ground: 1000 V CAT III Operating Temperature: -40°C to 85°C Input Impedance Requirement: 1 MΩ or higher Output Terminal: ME15W Cable length: 3m

€1,698.00*

CT6876A

CT6876A - AC/DC Current sensor

Product Description for CT6876 AC/DC Current Sensor The CT6876 AC/DC Current Sensor is designed for accurate current measurements with a broad frequency range from DC to 1.5 MHz. With a rated current of 1000 A, it is ideal for demanding applications in industries such as inverter motors, electric vehicles, and power electronics.The sensor offers excellent noise resistance and high precision, making it a top choice for high-current, high-speed measurements. When combined with Hioki's Power Analyzers, it ensures accurate power conversion efficiency measurements, especially in high-frequency environments. Technical Details: Model: CT6876 Rated Current: 1000 A Frequency Bandwidth: DC to 1.5 MHzBasic Accuracy: Amplitude: ±0.04% rdg. ±0.008% f.s. Phase: ±0.1° Maximum Conductor Diameter: 36 mm Maximum Rated Voltage to Ground: 1000 V CAT III Operating Temperature: -40°C to 85°CInput Impedance Requirement: 1 MΩ or higher Output Terminal: ME15W

€2,268.00*

Details

CT6877A

CT6877A - AC/DC-Current sensor

Hioki's pass-through AC/DC current sensors are premium devices for use with power meters, memory HiCorders and high performance oscilloscopes.

CT6904A

CT6904A - High-precision AC/DC current sensor, 500 A / 4 MHz

High-accuracy pass-through AC/DC current sensor, zero-flux detection with flux gate technology, currents up to 500 A, bandwidth from DC to 4 MHz, CMRR of 120 dB at 100 kHz, linearity ±5 ppm, 3 m cable length with ME15W connector

CT7812

CT7812 - AC/DC Current Probe

Ultra-small, zero-flux clamp-on AC/DC Current Probe using flux gate detection, high accuracy ±0.3 %, max. resolution 0.1 mA, wide temperature range -40 to 85 °C, measurable current up to 2 A, designed exclusively for LR8450 Series Data Logger

€1,268.00*

CT7822

CT7822 - AC/DC Current Probe

Ultra-small, zero-flux clamp-on AC/DC Current Probe using flux gate detection, high accuracy ±0.3%, max. resolution 1 mA, wide temperature range -40 to 85 oC, measurable current up to 20 A, designed exclusively for LR8450 Series Data Logger

€1,268.00*

Details

CT9555

CT9555 - SENSOR UNIT

The CT9555 is a power supply unit designed for single-channel current sensors providing a high-precision waveform output. It is ideal for applications requiring accurate waveform measurement from a single source. Technical Details: Channels: 1 Output: Waveform (BNC terminal) Power consumption: 45 VA max Power supply: AC Adapter Z1008 Input connector type: Hioki ME15W female terminal Output connector type: BNC Dimensions: 33 x 67 x 132 mm Weight: 200 gSupported sensors: 9272-05, CT684x-05, CT684xA, CT686x-05, 9709-05, CT687x, CT687xA, PW9100, CT6904, CT6904A More than specs – find more details here:🔗 Zero-flux Current Clamps: Accuracy without effort from mA to kA

€478.00*

CT9556

CT9556 - SENSOR UNIT

The CT9556 is a power supply unit designed for single-channel current sensors. It offers waveform and RMS output for a single channel. It is ideal for applications requiring accurate waveform and RMS measurement from a single source. Technical details Channels: 1 Output: Waveform and RMS (BNC terminal) Power consumption: 45 VA max Power supply: AC Adapter Z1008 Input connector type: Hioki ME15W female terminal Output connector type: BNC Dimensions: 33 x 67 x 132 mm Weight: 200 g Supported sensors: 9272-05, CT684x-05, CT684xA, CT686x-05, 9709-05, CT687x, CT687xA, PW9100, CT6904A More than specs – find more details here:🔗 Zero-flux Current Clamps: Accuracy without effort from mA to kA

€628.00*

CT9557

CT9557 - SENSOR UNIT

The CT9557 is a power supply unit that supports up to four Hioki current sensors. It can aggregate the provided waveforms for total output. It is ideal for large current or multi-cable circuits. Technical detailsChannels: 4 Output: Waveform, total waveform, and total RMS (BNC terminals) Power consumption: 155 VA max Power supply: AC Adapter Z1002 Input connector type: Hioki ME15W female terminal • Output connector type: BNC Dimensions: 116 x 67 x 132 mm Weight: 420 g Supported sensors: 9272-05, CT684x-05, CT684xA, CT686x-05, 9709-05, CT687x, CT687xA, PW9100, CT6904AMore than specs – find more details here:🔗 Zero-flux Current Clamps: Accuracy without effort from mA to kA

€1,538.00*

Details

Z5021

Z5021 - Power supply unit for current or differential probes, factory option for MR6000

Power supply unit for up to 8 current clamps of the CT670x/327x Series, up to 4 current clamps of the CT671x Series, up to eight 9322 or up to three P9000 differential probes, factory option for MR6000, 12 VDC and 0.6 A per terminal

HIOKI Precision Current Clamp Sensor Overview

HIOKI’s AC/DC current clamps offer the perfect balance of ease of use and high-precision measurement, thanks to fluxgate-technology in a practical split-core design. Engineered for non-contact current measurement, these clamps enable fast, hassle-free deployment in both laboratory and field applications.

	Large Clamps up to 1 kA / 200 kHz		Precision Clamps up to 500 A / 2 MHz			NEW Compact Clamps up to 500 A / 50 kHz		Ultra-compact Sensors up to 20 A / 100 kHz
Model	🔗 CT6846A	🔗 CT6845A	🔗 CT6844A	🔗 CT6843A	🔗 CT6841A	🔗 CT6834	🔗 CT6833	🔗 CT6831	🔗 CT6830
Rated Current	±1000 A	±500 A	±500 A	±200 A	±20 A	±500 A	±200 A	±20 A	±2 A
Bandwidth	DC – 100 kHz	DC – 200 kHz	DC – 500 kHz	DC – 700 kHz	DC – 2 MHz	DC – 50 kHz		DC – 100 kHz
Basic Accuracy	±0.2% rdg					±0.07% rdg		±0.3% rdg
Output Voltage	2 mV/A	4 mV/A		10 mV/A	100 mV/A	4 mV/A	10 mV/A	100 mV/A	1 V/A
Max. Conductor Diameter	Ø 50 mm		Ø 20 mm					Ø 5 mm

HIOKI Precision Pass-through Current Sensors Overview

Ideal for EV development, power electronics, and industrial drive systems, HIOKI’s fluxgate based pass-through current sensors enable reliable current waveform capture, inverter efficiency evaluation, and repeatable testing across the full range of development and validation workflows. Developed for power measurement at any performance level.

Modellvergleich

Model	🔗 CT6904A	🔗 CT6877A	🔗 CT6876A	🔗 CT6875A	🔗 CT6872	🔗 CT6873	🔗 CT6863-05	🔗 CT6862-05
Rated current	500 A	2000 A	1000 A	500 A	50 A	200 A	200 A	50 A
Bandwidth	DC to 4 MHz	DC – 1 MHz	DC to 1.5 MHz	DC to 2 MHz	DC – 10 MHz	DC – 10 MHz	DC – 500 kHz	DC – 500 kHz
Basic accuracy	±0,025 % rdg	0,04 % rdg		0,04 % rdg	±0,03 % rdg		±0,05 % rdg
Output voltage	4 mV/A	1 mV/A	2 mV/A	4 mV/A	40 mV/A	10 mV/A		40 mV/A
Maximum conductor diameter	32 mm	80 mm	36 mm		24 mm