Test and Measurement Products

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HIOKI E E CORPORATION CT6841A AC/DC Current Probe
The CT6841A AC/DC Current Probe is a high-precision clamp-type sensor designed for accurate current measurement up to 20 A AC/DC. With a wide frequency bandwidth from DC to 2 MHz and a compact clamp design, it enables safe, non-intrusive current measurement without cutting cables. Ideal for EV inverter testing, photovoltaic systems, and environmental testing, the CT6841A combines measurement accuracy, ease of use, and professional reliability.

Key Features
- Measures up to 20 A AC/DC with high precision
- Wide frequency bandwidth from DC to 2 MHz
- Clamp-type design eliminates the need to cut conductors
- Compatible with Hioki Power Analyzers and Memory HiCorders
- Supports oscilloscopes, power meters, and DMMs with optional sensor units
- Reliable operation across a wide temperature range from -40°C to 85°C
- Single-handed operation with secure locking mechanism
- Optimized for EV inverter and PV power generation evaluation
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HIOKI E E CORPORATION CT6843A AC/DC Current Probe
The CT6843A AC/DC Current Probe is a compact, clamp-type sensor designed for precise measurement of AC and DC currents up to 200 A without cutting conductors. Built for professional power analysis, it combines high bandwidth, excellent temperature stability, and easy installation. This probe is ideal for EV inverter testing, photovoltaic power systems, and environmental testing where accuracy and reliability are critical.

Key Features
- Measures up to 200 A AC/DC with high precision
- Wide frequency bandwidth from DC to 700 kHz
- Clamp-type design allows non-intrusive current measurement
- Compatible with Hioki Power Analyzers and Memory HiCorders
- Supports oscilloscopes, power meters, and DMMs with optional units
- Stable operation across -40°C to 85°C temperature range
- Flux gate detection method for accurate DC measurement
- Single-handed operation with secure locking mechanism
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HIOKI E E CORPORATION CT6844A AC/DC Current Probe
The CT6844A AC/DC Current Probe is a high-accuracy clamp-type sensor designed for measuring large currents up to 500 A AC/DC without cutting cables. With a frequency bandwidth from DC to 500 kHz, it delivers precise and stable measurements for demanding applications such as EV inverter testing, photovoltaic power generation systems, and environmental testing. Its robust design, wide temperature tolerance, and seamless compatibility with Hioki measurement instruments make it a reliable choice for professional power analysis.

Key Features
- Measures up to 500 A AC/DC with excellent accuracy
- Frequency bandwidth from DC to 500 kHz
- Clamp-type design enables non-intrusive current measurement
- Compatible with Hioki Power Analyzers and Memory HiCorders
- Supports oscilloscopes, power meters, and DMMs with optional sensor units
- Reliable operation across -40°C to 85°C temperature range
- Flux gate detection method for stable DC measurement
- Single-handed operation with secure locking mechanism
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HIOKI E E CORPORATION CT6845A AC/DC Current Probe
The CT6845A AC/DC Current Probe is a high-precision clamp-type sensor designed to measure large AC and DC currents up to 500 A without interrupting the circuit. With a wide conductor opening and stable performance across extreme temperatures, this probe is ideal for EV inverter evaluation, photovoltaic power systems, and demanding environmental testing applications.

Key Features
- Measures up to 500 A AC/DC with high accuracy
- Frequency bandwidth from DC to 200 kHz
- Clamp-type design eliminates the need to cut cables
- Supports large conductors up to 50 mm diameter
- Flux gate detection for stable DC measurement
- Operates reliably from -40°C to 85°C
- Powered directly by Hioki Power Analyzers or Memory HiCorders
- Single-handed operation with secure locking mechanism
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HIOKI E E CORPORATION CT6846A AC/DC Current Probe
The CT6846A AC/DC Current Probe is a high-precision clamp sensor designed to measure extremely high AC and DC currents up to 1000 A safely and accurately. Ideal for electric vehicle inverters, solar PCS evaluation, and demanding environmental testing, this probe combines clamp convenience with precision performance.

Key Features
- Measures AC/DC currents up to 1000 A
- Frequency bandwidth DC to 100 kHz
- Clamp-style design eliminates the need to cut cables
- Supports large conductors up to 50 mm diameter
- Flux gate detection for stable DC measurement
- Operates reliably from -40°C to 85°C
- Powered via Hioki Power Analyzers or Memory HiCorders
- Single-handed operation with robust locking mechanism
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HIOKI E E CORPORATION CT6862-05 AC/DC Current Sensor
CT6862-05 AC/DC Current Sensor delivers wide-bandwidth, high-accuracy current measurement for advanced power and automotive applications.

Key Features
- Measures AC and DC current up to 50 A with high precision
- Wide frequency bandwidth from DC to 10 MHz for fast signal capture
- Operates reliably in extreme temperatures from -40°C to 85°C
- Designed for electric and hybrid vehicle testing environments
- Compatible with Hioki power analyzers, Memory HiCorders, and oscilloscopes
- Ideal for evaluating inverters, power supplies, solar systems, and fuel cells
- CAT III 1000 V safety rating for demanding measurement conditions
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HIOKI E E CORPORATION CT6863-05 AC/DC Current Sensor
The AC/DC Current Sensor CT6863-05 is a high-performance pass-through sensor engineered for accurate current measurement across a wide frequency range, making it ideal for advanced power and automotive applications.

Key Features
- Measures AC and DC current up to 200 A with exceptional precision
- Wide bandwidth from DC to 500 kHz for accurate waveform capture
- Operates reliably in extreme temperatures from -30°C to 85°C
- Designed for electric and hybrid vehicle testing environments
- Ideal for inverter, power conditioner, and switching power supply analysis
- Compatible with oscilloscopes and Memory HiCorders using a high-impedance input
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HIOKI E E CORPORATION CT6872 AC/DC Sensor
The CT6872 AC/DC Current Sensor is designed for engineers who need accurate, wideband current measurement at lower current levels. With a 50 A rating and an exceptional DC to 10 MHz frequency response, it is ideal for evaluating fast-switching power electronics, EV components, and renewable energy systems.

Key Features
- Measures AC and DC currents up to 50 A
- Ultra-wide bandwidth from DC to 10 MHz
- High accuracy for low-current power analysis
- Stable performance from -40°C to 85°C
- Supports EV, inverter, PV, and fuel cell applications
- Compatible with Hioki Power Analyzers and Memory HiCorders
- Automatic sensor recognition with supported analyzers
- Available in 3 m and 10 m cable lengths
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HIOKI E E CORPORATION CT6875A AC/DC Current Sensor
The CT6875A AC/DC Current Sensor is designed for precise measurement of high-current, high-speed inverter applications. With wide bandwidth and strong noise resistance, it supports advanced power and energy evaluations across demanding environments.

Key Features
- Measures up to 500 A (rms) for high-current applications
- Wide bandwidth from DC to 2 MHz for accurate high-speed analysis
- Uses zero flux method with flux gate detection for superior accuracy
- Strengthened shielding improves noise resistance in harsh environments
- Stable performance across a wide temperature range from -40°C to 85°C
- Compatible with Hioki Power Analyzers, Memory HiCorders, oscilloscopes, and DMMs
- Ideal for EVs, photovoltaics, wireless charging, and inverter systems
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HIOKI E E CORPORATION CT6876A AC/DC Current Sensor
The CT6876A AC/DC Current Sensor is purpose-built for accurate measurement of extremely high currents in fast-switching inverter systems. With excellent noise resistance and wide bandwidth, it delivers stable and reliable data for advanced power applications.

Key Features
- Measures up to 1000 A (rms) for large-current applications
- Wide frequency bandwidth from DC to 1.5 MHz for high-speed analysis
- High basic accuracy of ±0.04% with phase accuracy of ±0.1°
- Zero flux method with flux gate detection for superior linearity
- Strengthened shielding to measure current signals buried in noise
- Stable operation across -40°C to 85°C environments
- Compatible with Hioki Power Analyzers, Memory HiCorders, oscilloscopes, and DMMs
- Ideal for EV, HEV, PHEV, photovoltaics, and inverter systems
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HIOKI E E CORPORATION CT6877A AC/DC Current Sensor
The CT6877A AC/DC Current Sensor is designed for precise measurement of extremely large currents in high-speed inverter and EV systems. With a wide aperture, strong noise resistance, and advanced zero flux technology, it delivers stable and accurate results even in demanding environments.

Key Features
- Measures up to 2000 A (rms) for EV, HEV, and industrial applications
- Wide frequency bandwidth from DC to 1 MHz
- Large 80 mm aperture supports collective measurement of multiple conductors
- Zero flux method with flux gate detection for excellent linearity
- Strengthened shield for reliable measurement in noisy environments
- Stable operation across -40°C to 85°C
- Automatic sensor recognition with Hioki Power Analyzer PW8001
- Suitable for battery testing, inverters, photovoltaics, and fuel cells
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HIOKI E E CORPORATION CT7631 Current Sensor
The Hioki CT7631 AC/DC Current Sensor is a compact and precise solution for measuring low-level AC and DC currents up to 100 A. Designed for waveform observation and long-term monitoring, it pairs with the detachable Display Unit CM7290 or CM7291 to deliver flexible output options for laboratories, maintenance teams, and site inspections.

Key Features
- Measures AC and DC currents up to 100 A
- Ideal for observing instantaneous waveforms
- Detachable Display Unit for lab and field applications
- Four output modes: WAVE, RMS, PEAK, FREQ
- Compact 33 mm core for insulated conductors
- Wide operating temperature range from -25°C to 65°C
- Bluetooth wireless data transfer with CM7291
- Compatible with Memory HiCorders, data loggers, and oscilloscopes
- CAT IV 600 V safety rating
- Mix and match with other CT7600 series sensors
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HIOKI E E CORPORATION CT7636 Current Sensor
The Hioki CT7636 AC/DC Current Sensor is built for accurate measurement and real-time waveform observation of AC and DC currents up to 600 A. Designed for laboratory environments and field inspections, it pairs with the detachable Display Unit CM7290 or CM7291 to deliver flexible output options and seamless data recording.

Key Features
- Measures AC/DC currents up to 600 A
- Ideal for instantaneous waveform observation
- Detachable Display Unit for lab and site use
- Four output formats: WAVE, RMS, PEAK, FREQ
- Wide operating temperature range from -25°C to 65°C
- Bluetooth wireless data transfer with CM7291
- Compact core diameter of 33 mm for insulated conductors
- Compatible with Memory HiCorders, data loggers, and oscilloscopes
- CAT IV 600 V safety rating
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HIOKI E E CORPORATION CT7642 Current Sensor
The Hioki CT7642 AC/DC Current Sensor is designed for precise measurement and waveform observation of high AC and DC currents up to 2000 A. Built for laboratories and controlled environments, it pairs with the detachable Display Unit CM7290 or CM7291 to deliver flexible output formats, real-time monitoring, and seamless data logging.

Key Features
- Measures AC/DC currents up to 2000 A
- Designed for instantaneous waveform observation
- Detachable Display Unit for lab and site inspections
- Four selectable output modes: WAVE, RMS, PEAK, FREQ
- Wide operating temperature range from -25°C to 65°C
- Bluetooth wireless data transfer with CM7291
- Large core diameter of 55 mm for thick conductors
- Compatible with Memory HiCorders, data loggers, and oscilloscopes
- CAT IV 600 V safety rating
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HIOKI E E CORPORATION CT7731 Current Sensor
The Hioki CT7731 AC/DC Auto-Zero Current Sensor provides precise monitoring for currents up to 100 A in both AC and DC applications. Designed to pair with the detachable Display Unit CM7290/CM7291, it delivers long-term measurement stability even under wide temperature variations. Perfect for field inspections, lab testing, and integration with data loggers or Memory HiCorders.

Key Features
- Measures AC/DC currents up to 100 A
- Auto-zero function for long-term measurement stability
- Detachable Display Unit for field and lab convenience
- Four output modes: WAVE, RMS, PEAK, FREQ
- Wide operating temperature range: -25°C to 65°C
- Bluetooth connectivity with CM7291 via GENNECT Cross app
- Core diameter: 33 mm (1.30 in)
- CAT IV 600 V safety rating
- Compatible with Memory HiCorders and Data Loggers via CM7290/CM7291
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HIOKI E E CORPORATION CT7736 Current Sensor
The Hioki CT7736 AC/DC Auto-Zero Current Sensor provides accurate current monitoring up to 600 A in AC and DC applications. Designed to pair with the detachable Display Unit CM7290/CM7291, it ensures stable long-term measurements even in extreme temperatures. Ideal for field inspections, laboratory testing, and integration with data loggers or Memory HiCorders.

Key Features
- Measures AC/DC currents up to 600 A
- Auto-zero adjustment for stable long-term readings
- Detachable Display Unit for convenient field use
- Four output modes: WAVE, RMS, PEAK, FREQ
- Wide operating temperature: -25°C to 65°C
- Bluetooth connectivity with CM7291 via GENNECT Cross app
- Core diameter: 33 mm (1.30 in)
- CAT IV 600 V safety rating
- Compatible with Memory HiCorders and Data Loggers via CM7290/CM7291
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