HIOKI Transducers / Pass-through sensors
High-Accuracy AC/DC Current Measurement up to 2000 A
HIOKI transducers are designed for precise AC and DC current measurements, especially in lab test environments. Depending on the model, they support currents from tens of amperes up to 2000 A (CT6877A), bandwidths from DC to 10 MHz, and accuracy down to ±0.025 % rdg (CT6904A). This enables reliable measurements of fast current dynamics with great repeatability.
Engineers use HIOKI pass-through sensors in power electronics applications where high current, accuracy, and low phase error are critical, such as inductor loss testing, and efficiency analysis. Typical use cases are motor-, inverter- and converter testing, EV drivetrain development, and harmonic analysis in electrical motors and power grid connections.
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 higherMore than specs – find more details here: Find out more about precise power measurement
CT6863-05
CT6863-05 - AC/DC Current Sensor, Fluxgate, 200 A / 500 kHz
The CT6863-05 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: 200 A AC/DC Frequency Range: DC to 500 kHz 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
CT6872
CT6872 - AC/DC Current Sensor, 50 A / 10 MHz
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 higherMore than specs – find more details here: Measure Power with Precision – Across All Applications
CT6873
CT6873 - AC/DC Current Sensor, 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
CT6875A
CT6875A - AC/DC Current sensor, 500 A / 2 MHz
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: 3mMore than specs – find more details here: Measure Power with Precision – Across All Applications
CT6876A
CT6876A - AC/DC Current sensor, 1000A / 1.5 MHz
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
CT6877A
CT6877A - AC/DC-Current sensor, 2000 A / 1 MHz
Hioki's pass-through AC/DC current sensors are premium devices for use with power meters, memory HiCorders and high performance oscilloscopes.
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
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
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
CT6904A
HIOKI CT6904A - High-precision AC/DC current sensor, 500 A / 4 MHz
HIOKI CT6904A AC/DC current sensor with 500 A range and 4 MHz bandwidth for accurate current measurements in power electronics and test environments. Order now from HIOKI Europe.
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.
| 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 | ||||