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Hioki
Hioki

Hioki CT6845A Current Probe, AC/DC, High Precision, 500 A, DC-200 kHz

Part #20000423

MFG #CT6845A

Hioki CT6845A
Hioki
Hioki

Hioki CT6845A Current Probe, AC/DC, High Precision, 500 A, DC-200 kHz

Part #20000423

MFG #CT6845A

€1.928,00(Excl. VAT)

Hioki's clamp type AC/DC current sensors can be connected directly to Hioki Power Analyzers and Memory HiCorders. Also, it can be connected to Power Meters, Oscilloscopes, DMMs, etc. by using an optional sensor unit.

Note: Use with an instrument with a high input impedance of 1 MΩ or higher.

Key Features

  • Frequency bandwidth DC to 200 kHz
  • Rated current 500 A AC/DC
  • Power supplied via the measurement instrument (when connecting Hioki Power Analyzer or Memory HiCorder)
  • Ideal for use in environmental testing with broad -40°C to 85°C temperature range
  • Ideal for EV inverter evaluation and PV power generation PCS evaluation
  • Single-handed operation and robust locking mechanism
Clamp-type sensors that eliminates the need to cut lines Clamp-style current sensors can be affixed without cutting the line under measurement. Thanks to that design, they can measure current in applications where it’s not possible to cut lines, including testing of EVs on chassis dynamometers and evaluation of operational solar power systems. Fuel efficiency testing that complies with the WLTP international standard The CT6840A series can measure current in operating vehicles since there’s no need to cut cables. Combined with a power analyzer, these instruments can accurately integrate current and power during charging and discharging of system batteries in order to make WLTP-compliant fuel efficiency measurements. Realizing unparalleled measurement precision in a clamp-style design While clamp-style current sensors are generally praised for their convenience, they usually pose disadvantages in terms of measurement precision. However, the CT6840A series delivers unparalleled measurement precision in a clamp-style design, allowing accurate measurement of DC power in battery-powered EVs and solar power systems.

Five-model line with a maximum current rating of 1000 A
Rated current/Frequency band/Diameter of measurable conductors

  • CT6841A: 20 A/DC to 2 MHz/φ20 mm or less
  • CT6843A: 200 A/DC to 700 kHz/φ20 mm or less
  • CT6844A: 500 A/DC to 500 kHz/φ20 mm or less
  • CT6845A: 500 A/DC to 200 kHz/φ50 mm or less
  • CT6846A: 1000 A/DC to 100 kHz/φ50 mm or less

Accurate current measurement across a broad operating temperature range of -40°C to 85°C
Temperature characteristics are an issue for current sensors that can manage DC current. The CT6840A series uses the flux gate detection method. Unlike the standard Hall element detection method, the flux gate method is more resistant to temperature variations, allowing instruments to accurately measure current in a variety of test environments.

Compatible with the Power Analyzer PW8001’s automatic phase correction function
The CT6840A series provides automatic phase correction for automatically correcting current sensor phase just by connecting to the Power Analyzer PW8001. This function automates configuration of phase correction values, a process that previously had to be carried out manually, eliminating settings errors and facilitating accurate power measurement. (All current sensors have phase characteristics, and the Power Analyzer performs phase correction so that power can be measured accurately.)


Brand: Hioki
Maximum Current: 500 A
Input Coupling: AC/DC
Bandwidth: 200 kHz
Hioki CT6845A Current Probe Manual
Hioki CT684xA Series Current Probes Flyer
Hioki Current Sensor and Current Probes Series Brochure
€1.928,00(Excl. VAT)