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

High precision power analyzer for power converter and inverter efficiency analysis, ±0.03% basic accuracy, 15 MHz sampling rate, 18-bit conversion, automatic phase shift correction for HIOKI current sensors, 1 ms data update rate and excellent noise resistivity of 110 dB @ 100 kHz.Technical details:Basic power accuracy ±0.03%8 power channels combined with motor analysisExcellent noise resistivity of 110 dB @ 100 kHz5 MHz frequency measurement band for powerStable and accurate measurement at 1 ms data update rateFunctions:8 power channels in combination with motor analysis for dual drivetrain analysisUnique power range with 2 A to 2 kA high accuracy HIOKI current sensorsPlug & Play connectivity with HIOKI current sensorsAutomatic Phase Shift Correction secures accurate high-frequency power measurementVisualize high-frequency loss with Power Spectrum Analysis measurementApplications:R&D and production line testing of high efficiency power converters and invertersLoss measurement of transformers and other inductive components under loadMotor efficiency measurementDetailed Description:The HIOKI PW8001 Power Analyzer is a state-of-the-art measurement instrument designed for the most demanding power analysis tasks, providing precise measurement results when evaluating efficiency of latest high accuracy electrical devices and systems. The PW8001 has 8 slots for power input units, which all can be used in combination with the motor analysis function.For the configuration of the PW8001, two types of input units are available that can freely be combined in one instrument according to the application requirements.The U7005 High Bandwidth input unit offers ultimate precision with ±0.03% basic accuracy, a sampling frequency of 15 MHz, 18-bit A/D conversion and a maximum input voltage of 1000 VAC. It is suitable for applications such as efficiency measurements of SiC and GaN based inverters motor drives, and accurate inductor loss measurement of inductors under load. Excellent resistivity for external noise of 110 dB at 100 kHz, ensure accurate and stable results even in the proximity to high frequency power switching semiconductors. For high-voltage applications, the U7001 input unit provides ±0.07% basic accuracy, a maximum input voltage of 1500 VDC, a sampling frequency of 2.5 MHz, 16-bit A/D conversion and a maximum voltage to ground of 1500 VDC CAT II. It is a suitable unit for applications which need less bandwidth, such as testing of the efficiency of industrial motor drives using IGBTs, or wind turbines and PV power converters. Combined with HIOKI’s extensive lineup of high-accuracy and high-bandwidth current sensors, probes and direct connection current boxes, the PW8001 offers a unique and comprehensive solution for reliably measuring applications from small electronic devices to large-scale power systems. The PW8001 power analyzer and the current sensors are developed and produced by HIOKI, making the advanced automatic phase shift correction function possible. This ensures accurate phase angle measurement between the voltage and current, even at high frequencies and low power factors. The PW8001 offers the unique Power Spectrum Analysis function. While the traditional FFT function determines the harmonics based on the fundamental frequency, limiting the frequency range, this new function covers the entire frequency spectrum of the analyzer. The Power Spectrum Analysis function delivers quick visibility into the high frequency power, providing developers with valuable data for further system efficiency improvements. Other advanced functions like wideband harmonic analysis, and motor analysis, ensure precise and reliable power analysis results for a wide range of applications in the power electronics industry, such as the development of high efficiency power converters, electrical drivetrains and electrical motors. The 1 ms update rate enables high-speed data refresh, allowing precise detection and analysis of rapid power fluctuations, such as those occurring during battery charging or discharging in EVs. This feature ensures unprecedented updates without compromising on measurement accuracy. The optical link function allows the connection of two PW8001 power analyzers to increase the maximum number of measurement channels to 16. It enables synchronized power measurements and efficiency calculation from multiple inputs, optimizing measurement setup and eliminating timing differences in data collection because the sampling of all inputs is synchronized.

Banner Specs: 8 slots for modules with up to 32 isolated analog channels 15 different input and 3 output modules High-speed data sampling with 200 MS/s Real-time data saving with up to 20 MS/s User-friendly software and touchscreen display Compatibility with a wide variety of HIOKI current sensors Applications: Testing and evaluation of railway, aerospace and automotive components including electric vehicle motors, inverters, and battery systems Development and maintenance of renewable energy technologies, such as wind turbines and solar panels - monitoring electrical outputs and mechanical performance Testing of household and industrial appliances by capturing high-speed transient events and long-term trends Monitoring of SMPS (Switched-Mode Power Supply) output currents over extended periods with high sampling rates Electric Vehicle (EV) motor shaft angle sensing thanks to its built-in resolver calculation functionIn detail:The MR6000 Memory Recorder is a high-performance waveform recorder designed for capturing high-speed, high-accuracy data across multiple channels. It is ideal for complex applications such as inverter testing, ECU signal analysis, and monitoring physical phenomena. Featuring user-friendly software, a touchscreen interface, and various calculation and analysis functions, the MR6000 ensures precise and efficient data acquisition for professionals in research, development, and industrial settings.Input and Output Modules: The MR6000 offers exceptional versatility with its plug-and-play modular design with 8 slots. Modules can be easily swapped and are automatically recognized by the device. The MR6000 supports 15 different input modules for various measurements, such as high voltage monitoring up to 1000 VDC/700 VAC with the U8974, multi-channel configurations using the U8975 for up to 32 channels, and high-speed applications with the U8978, which offers a sampling rate of 200 MS/s. DC modules with 24-bit resolution allow ultra-precise voltage measurements with a resolution of 0.1 µV. The MR6000 also supports three output modules, including pulse and waveform generation for signal testing and simulation. The Arbitrary Waveform Generator Module U8793 allows users to program and generate custom waveforms, ideal for reproducing and simulating anomalies. The free SF8000 software simplifies waveform creation by enabling direct data input or formula-based design and supports noise simulation or multiplying waveforms for advanced scenarios. Current Measurement: The MR6000 offers additional versatility by allowing the direct connection of HIOKI's highaccuracy current sensors. Wideband current probes like the CT6711 can be paired with analog modules such as the U8978. The dedicated current modules U8977 and 8971 support precise measurement across a wide range of currents, working seamlessly with high-precision clamps and sensors like the CT6841A or CT6904A. With these designated current modules, the MR6000 automatically recognizes, and powers connected HIOKI sensors and clamps, ensuring an easy and efficient setup. HIOKI wideband current probes with BNC and 2-pin LEMO connectors can also be powered via the Z5021 Probe Power Unit, which is available as a factory-installed option. In addition to powering current probes and clamps, the Z5021 Probe Power Unit can supply power to up to eight differential probes. This significantly expands the MR6000’s capabilities for high-voltage measurements, supporting voltages up to 2000 VDC and 1000 VAC. Data Handling: Equipped with advanced internal processing, the MR6000 enables fast data saving and efficient handling, reducing downtime and enhancing productivity. For long-term recording, the high-capacity SSD Unit U8332 option allows continuous data capture at high sampling rates. The MR6000-01 model enables real-time data saving at speeds of up to 20 MS/s. User Interface: The MR6000 features a large 12.1-inch touchscreen with a user-friendly interface. Its intuitive design makes it easy for users to view and analyze their data effortlessly. Software Tools: The MR6000 offers comprehensive software analysis tools, including the free MR6000 Viewer for data analysis, 9335 Wave Processor for waveform management, GENNECT One for centralized control of up to 30 HIOKI instruments via LAN. In addition, drivers for custom applications like LabVIEW and MATLAB are available. Models: The MR6000 is offered in two models: the standard MR6000 and the advanced MR6000-01, which includes two additional features – real-time waveform calculation and real-time data saving. The real-time waveform calculation function enables users to monitor calculated results instantly during measurements, providing immediate insights.The real-time saving function allows data to be recorded at a maximum sampling rate of 20 MS/s directly onto an external memory device. This feature offers several key benefits: Long-term recording with up to 20 MS/s Extended recording durations, limited only by the storage capacity of the external device Record on the SSD, USB stick or choose any other device (via FTP)Data integrity with non-volatile memory ensures recorded data stays secure and ready for retrieval, even when the device is powered off

Power measurement module for LR8101 and LR8102 Data Logger, up to 1500 VDC, CATII and 2000 A, 3 power channels, max. update interval 5 ms, DC to 100 kHzBanner Specs: Up to 12 / 120 power channels Power accuracy: 0.02% rdg. ± 0.05% f.s. 1500 VDC / 1000 VAC, CATII 5 ms update interval DC to 100 kHz bandwidth USPs: Multi-channel power measurement with the accuracy of a top-end power analyzer Guaranteed high accuracy up to 1500 VDC, CATII Combine with wide variety of HIOKI current sensors with ratings from 2 A to 2000 ASpace-efficient multi-channel setup Easily expand channels on site with growing production line requirements Applications: Power measurement applications requiring higher number of channels Development of Photovoltaic (PV) string inverters Quality inspection of PV string inverters during productionCharge/discharge testing during development of battery modules and battery packsIn detail: The M7103 power measurement module for LR810x data loggers offers three channels for highly accurate power logging. One LR8101 or LR8102 Data Logger in combination with the M1100 AC power supply module supports up to four M7103 modules, giving the user the ability to log up to 12 power channels simultaneously with one logger. Up to 120 power channels can be recorded by synchronizing multiple LR8102 Data Logger. The voltage input channels are designed for direct input of voltages of up 1500 VDC or 1000 VAC, CATII making the M7103 ideal for safe and reliable production line testing. All HIOKI highprecision current sensors with an ME15W connector can be combined with the M7103 power measurement module, offering users the flexibility to choose the ideal current sensor for their specific application. With an update interval of just 5 ms, the module enables detailed logging of power, voltage, or current with exceptional precision.The sync source sharing feature ensures precise efficiency measurement by using the AC signal's zero-crossing for calculation to synchronize a primary module with secondary modules, making the system ideal for high-accuracy applications like quality inspection in PV string inverter production. This highly flexible logger system offers the possibility to easily expand channels on-site without the necessity to return the equipment to the factory, saving valuable time.

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

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

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, CT6904A

Banner Specs (= Attributes): High Accuracy ±0.3 % Measurable current 100 µA to 2 A Ultra small size sensor with slide open/lock mechanismWide temperature range -40 to 85 oC Bandwidth DC to 100 kHz USPs: Easy installation, even in tight spaces Accurate low current measurement Automatic recognition by HIOKI Power Analyzer PW8001Allows for stable measurement from Alaska to the Sahara Applications: Development and analysis tool for improving the fuel efficiency of electrical vehicles Consumption measurement of low power EV circuits like ECUs, interior lighting etc.Optimizing the overall energy consumption of low power circuits in EVs to extend the driving rangeOptimizing the overall energy consumption of low power circuits in electrical construction vehicles or electrical agricultural vehicles to extend the time between charging In detail:The ultra-small CT6830 Current Probe with its slide-open/lock feature is one of the smallest high-accuracy sensors on the market. Contactless measurement of currents from 100 µA to 2 A AC/DC and frequencies up to 100 kHz are possible even in the most confined spaces with a basic accuracy of ±0.3 %. This compact sensor gives development engineers of EVs, electrical trucks, buses, construction, and agricultural vehicles the possibility to accurately monitor energy consumption under the most extreme temperature conditions. Designed to be used in combination with a HIOKI Power Analyzer, Memory Recorder or Data Logger, the CT6830 provides detailed energy consumption insight for example of a vehicle under test. Combined with a CT9555, CT9556 or CT9557 Power Supply Unit, the CT6830 Current Probe can also be connected to third party equipment like for instance a DAQ system or an oscilloscope.

Banner Specs: High Accuracy ±0.3 % Measurable current 1 mA to 20 A Ultra small size sensor with slide open/lock mechanism Wide temperature range -40 to 85 oC Bandwidth DC to 100 kHz USPs:Easy installation, even in tight spacesAccurate low current measurement Automatic recognition by HIOKI Power Analyzer PW8001Allows for stable measurement from Alaska to the Sahara Applications:Development and analysis tool for improving the fuel efficiency of electrical vehicles Consumption measurement of low power EV circuits like wipers, entertainment system, seat heating, power steering etc. Optimizing the overall energy consumption of low power circuits in EVs to extend the driving range Optimizing the overall energy consumption of low power circuits in electrical construction vehicles or in electrical agricultural vehicles to extend the time between charging In detail:The ultra-small CT6831 Current Probe with its slide-open/lock feature is one of the smallest high-accuracy sensors on the market. Contactless measurement of currents from 1 mA to 20 A AC/DC and frequencies up to 100 kHz are possible even in the most confined spaces with a basic accuracy of ±0.3 %. This compact sensor gives development engineers of EVs, electrical trucks, buses, construction, and agricultural vehicles the possibility to accurately monitor energy consumption under the most extreme temperature conditions. Designed to be used in combination with a HIOKI Power Analyzer, Memory Recorder or Data Logger, the CT6831 helps provide detailed energy consumption insight for example of a vehicle under test. Combined with a CT9555, CT9556 or CT9557 Power Supply Unit, the CT6831 Current Probe can also be connected to third party equipment like for instance a DAQ system or an oscilloscope.

Banner Specs AC/DC currents up to 20 A Frequency Bandwidth DC to 2 MHz Basic accuracy: ±0.2% rdg.Operating temperature: -40 °C to 85 °COutput voltage ratio 100 mV/A Applications:Optimization of low-power circuits in EVs to increase driving range Analyzing current consumption of loads like motors, heaters, and LEDs On-site efficiency and current evaluation of inverters and motorsIn detail:The CT6841A AC/DC Current Clamp combines the flexibility of a clamp-style sensor with high-precision measurement, achieving a basic accuracy of ±0.2% rdg. This allows for easy, non-intrusive current measurement without breaking the circuit while maintaining the accuracy needed for precise power analysis in demanding applications. Utilizing advanced fluxgate technology, it ensures outstanding stability and accuracy in both AC and DC current measurements. With a maximum current rating of 20 A and a wide frequency bandwidth from DC to 2 MHz, it enables accurate detection of rapid current fluctuations. This capability makes it suitable for applications with demanding measurement requirements, such as automotive and power electronics industries.The current clamp delivers reliable performance across a wide temperature range of -40 °C to 85 °C, ensuring stability even in demanding environments such as engine compartments and outdoor testing locations. It is well-suited for evaluating the current consumption of automotive electrical components – especially actuating devices such as wiper motors, window motors, and seat heaters, but also electronic loads like LED lights.Additionally, its high-accuracy clamp design allows for efficient on-site assessment of IGBT inverters (Insulated Gate Bipolar Transistors) and motor performance. Technicians can use it to conduct precise efficiency evaluations and current measurements, enabling them to quickly identify anomalies or performance degradation, ultimately supporting effective maintenance and diagnostics.Phase shift correction functions of HIOKI Power Analyzers are supported, including the automatic correction feature of the PW8001 Power Analyzer. By integrating these features, it ensures accurate power analysis in dynamic and high-frequency applications, minimizing measurement errors and enabling higher precision in power evaluation. Direct connection to HIOKI Power Analyzers and Memory Recorders is possible via the ME15W connector, which also supplies power to the CT6841A. Additionally, when combined with a HIOKI sensor unit (CT9555, CT9556, CT9557), it can be used with oscilloscopes and other data acquisition (DAQ) systems, providing a voltage output ratio of 100 mV/A. Furthermore, its robust construction, 20 mm core diameter, and 3-meter cable length allow for flexible installation in various test environments. The CT6841A is an essential tool for high-precision current measurement, including the optimization of low power circuits. With a durable design, precise fluxgate technology, and adaptability to various operating environments, it provides reliable measurement performance across both laboratory and field applications.

Banner Specs:  AC/DC currents up to 200 A Frequency Bandwidth DC to 700 kHz Basic accuracy: ±0.2% rdg. Operating temperature: -40 °C to 85 °COutput voltage ratio 10 mV/A Applications:WLTP testing (Worldwide harmonized Light vehicles Test Procedure) Evaluation of current consumption of automotive electrical components like air compressors or power steering systems On-site efficiency and current evaluation of inverters and motorsIn detail:The CT6843A AC/DC Current Clamp combines the flexibility of a clamp-style sensor with high-precision measurement, achieving a basic accuracy of ±0.2% rdg. This allows for easy, non-intrusive current measurement without breaking the circuit while maintaining the accuracy needed for precise power analysis in demanding applications. Utilizing advanced fluxgate technology, it ensures outstanding stability and accuracy in both AC and DC current measurements. With a maximum current rating of 200 A and a wide frequency bandwidth from DC to 700 kHz, it enables accurate detection of rapid current fluctuations. This capability makes it suitable for applications with demanding measurement requirements, such as automotive and power electronics industries. The current clamp delivers reliable performance across a wide temperature range of -40°C to 85°C, ensuring stability even in demanding environments such as engine compartments and outdoor testing locations. It is well-suited for evaluating the current consumption of automotive electrical components, including air compressors and power steering systems. Additionally, its high-accuracy clamp design allows for efficient on-site assessment of IGBT inverters (Insulated Gate Bipolar Transistors) and motor performance. Technicians can use it to conduct precise efficiency evaluations and current measurements, enabling them to quickly identify anomalies or performance degradation, ultimately supporting effective maintenance and diagnostics. Phase shift correction functions of HIOKI Power Analyzers are supported, including the automatic correction feature of the PW8001 Power Analyzer. By integrating these features, it ensures accurate power analysis in dynamic and high-frequency applications, minimizing measurement errors and enabling higher precision in power evaluation. Direct connection to HIOKI Power Analyzers and Memory Recorders is possible via the ME15W connector, which also supplies power to the CT6843A. Additionally, when combined with a HIOKI sensor unit (CT9555, CT9556, CT9557), it can be used with oscilloscopes and other data acquisition (DAQ) systems, providing a voltage output ratio of 10 mV/A. Furthermore, its robust construction, 20 mm core diameter, and 3-meter cable length allow for flexible installation in various test environments. The CT6843A is an essential tool for high-precision current measurement, including WLTP testing (Worldwide harmonized Light vehicles Test Procedure). With a durable design, precise fluxgate technology, and adaptability to various operating environments, it provides reliable measurement performance across both laboratory and field applications.

Banner Specs:AC/DC currents up to 500 AFrequency Bandwidth DC to 500 kHzBasic accuracy: ±0.2% rdg. Operating temperature: -40 °C to 85 °C Output voltage ratio 4 mV/A Applications:WLTP testing (Worldwide harmonized Light vehicles Test Procedure) Evaluation of current consumption of automotive electrical components like air compressors or power steering systems On-site efficiency and current evaluation of inverters and motorsIn detail: The CT6844A AC/DC Current Clamp combines the flexibility of a clamp-style sensor with high-precision measurement, achieving a basic accuracy of ±0.2% rdg. This allows for easy, non-intrusive current measurement without breaking the circuit while maintaining the accuracy needed for precise power analysis in demanding applications. Utilizing advanced fluxgate technology, it ensures outstanding stability and accuracy in both AC and DC current measurements. With a maximum current rating of 500 A and a wide frequency bandwidth from DC to 500 kHz, it enables accurate detection of rapid current fluctuations. This capability makes it suitable for applications with demanding measurement requirements, such as automotive and power electronics industries. The current clamp delivers reliable performance across a wide temperature range of -40 °C to 85 °C, ensuring stability even in demanding environments such as engine compartments and outdoor testing locations. It is well-suited for evaluating the current consumption of automotive electrical components, including air compressors and power steering systems. Additionally, its high-accuracy clamp design allows for efficient on-site assessment of IGBT inverters (Insulated Gate Bipolar Transistors) and motor performance. Technicians can use it to conduct precise efficiency evaluations and current measurements, enabling them to quickly identify anomalies or performance degradation, ultimately supporting effective maintenance and diagnostics. Phase shift correction functions of HIOKI Power Analyzers are supported, including the automatic correction feature of the PW8001 Power Analyzer. By integrating these features, it ensures accurate power analysis in dynamic and high-frequency applications, minimizing measurement errors and enabling higher precision in power evaluation. Direct connection to HIOKI Power Analyzers and Memory Recorders is possible via the ME15W connector, which also supplies power to the CT6844A. Additionally, when combined with a HIOKI sensor unit (CT9555, CT9556, CT9557), it can be used with oscilloscopes and other data acquisition (DAQ) systems, providing a voltage output ratio of 4 mV/A. Furthermore, its robust construction, 20 mm core diameter, and 3-meter cable length allow for flexible installation in various test environments. The CT6844A is an essential tool for high-precision current measurement, including WLTP testing (Worldwide harmonized Light vehicles Test Procedure). With a durable design, precise fluxgate technology, and adaptability to various operating environments, it provides reliable measurement performance across both laboratory and field applications.

Banner Specs: AC/DC currents up to 500 A Frequency Bandwidth DC to 200 kHzBasic accuracy: ±0.2% rdg. Operating temperature: -40 °C to 85 °C - Output voltage ratio 4 mV/A Applications:WLTP testing (Worldwide harmonized Light vehicles Test Procedure) on commercial vehiclesEvaluation of current consumption of automotive electrical components like air compressors or power steering systemsOn-site efficiency and current evaluation of inverters and motors In detail:The CT6845A AC/DC Current Clamp combines the flexibility of a clamp-style sensor with high-precision measurement, achieving a basic accuracy of ±0.2% rdg. This allows for easy, non-intrusive current measurement without breaking the circuit while maintaining the accuracy needed for precise power analysis in demanding applications. Utilizing advanced fluxgate technology, it ensures outstanding stability and accuracy in both AC and DC current measurements. With a maximum current rating of 500 A and a wide frequency bandwidth from DC to 200 kHz, it enables accurate detection of rapid current fluctuations. This capability makes it suitable for applications with demanding measurement requirements, such as automotive and power electronics industries. The current clamp delivers reliable performance across a wide temperature range of -40 °C to 85 °C, ensuring stability even in demanding environments such as engine compartments and outdoor testing locations. It is well-suited for evaluating the current consumption of automotive electrical components, including air compressors and power steering systems. Additionally, its high-accuracy clamp design allows for efficient on-site assessment of IGBT inverters (Insulated Gate Bipolar Transistors) and motor performance. Technicians can use it to conduct precise efficiency evaluations and current measurements, enabling them to quickly identify anomalies or performance degradation, ultimately supporting effective maintenance and diagnostics. Phase shift correction functions of HIOKI Power Analyzers are supported, including the automatic correction feature of the PW8001 Power Analyzer. By integrating these features, it ensures accurate power analysis in dynamic and high-frequency applications, minimizing measurement errors and enabling higher precision in power evaluation. Direct connection to HIOKI Power Analyzers and Memory Recorders is possible via the ME15W connector, which also supplies power to the CT6845A. Additionally, when combined with a HIOKI sensor unit (CT9555, CT9556, CT9557), it can be used with oscilloscopes and other data acquisition (DAQ) systems, providing a voltage output ratio of 4 mV/A. Furthermore, its robust construction, 50 mm core diameter, and 3-meter cable length allow for flexible installation in various test environments. The CT6845A is an essential tool for high-precision current measurement, including WLTP testing (Worldwide harmonized Light vehicles Test Procedure) on commercial vehicles. With a durable design, precise fluxgate technology, and adaptability to various operating environments, it provides reliable measurement performance across both laboratory and field applications.

Banner Specs: AC/DC currents up to 1000 A Frequency Bandwidth DC to 200 kHz Basic accuracy: ±0.2% rdg. Operating temperature: -40 °C to 85 °C Output voltage ratio 2 mV/A Applications: WLTP testing (Worldwide harmonized Light vehicles Test Procedure) on commercial vehicles Evaluation of current consumption of automotive components like air compressors or power steering systemsOn-site efficiency and current evaluation of inverters and motors In detail:The CT6846A AC/DC Current Clamp combines the flexibility of a clamp-style sensor with high-precision measurement, achieving a basic accuracy of ±0.2% rdg. This allows for easy, non-intrusive current measurement without breaking the circuit while maintaining the accuracy needed for precise power analysis in demanding applications. Utilizing advanced fluxgate technology, it ensures outstanding stability and accuracy in both AC and DC current measurements. With a maximum current rating of 1000 A and a wide frequency bandwidth from DC to 100 kHz, it enables accurate detection of rapid current fluctuations. This capability makes it suitable for applications with demanding measurement requirements, such as automotive and power electronics industries. The current clamp delivers reliable performance across a wide temperature range of -40 °C to 85 °C, ensuring stability even in demanding environments such as engine compartments and outdoor testing locations. It is well-suited for evaluating the current consumption of automotive electrical components, including air compressors and power steering systems. Additionally, its high-accuracy clamp design allows for efficient on-site assessment of IGBT inverters (Insulated Gate Bipolar Transistors) and motor performance. Technicians can use it to conduct precise efficiency evaluations and current measurements, enabling them to quickly identify anomalies or performance degradation, ultimately supporting effective maintenance and diagnostics. Phase shift correction functions of HIOKI Power Analyzers are supported, including the automatic correction feature of the PW8001 Power Analyzer. By integrating these features, it ensures accurate power analysis in dynamic and high-frequency applications, minimizing measurement errors and enabling higher precision in power evaluation. Direct connection to HIOKI Power Analyzers and Memory Recorders is possible via the ME15W connector, which also supplies power to the CT6846A. Additionally, when combined with a HIOKI sensor unit (CT9555, CT9556, CT9557), it can be used with oscilloscopes and other data acquisition (DAQ) systems, providing a voltage output ratio of 2 mV/A. Furthermore, its robust construction, 50 mm core diameter, and 3-meter cable length allow for flexible installation in various test environments. The CT6846A is an essential tool for high-precision current measurement, including WLTP testing (Worldwide harmonized Light vehicles Test Procedure). With a durable design, precise fluxgate technology, and adaptability to various operating environments, it provides reliable measurement performance across both laboratory and field applications.

Banner Specs AC/DC currents up to 500 A Frequency Bandwidth DC to 50 kHz Basic accuracy: ±0.07% rdg. Operating temperature range: -40°C to +85°C Output voltage ratio 4 mV / A USPsClamp design with near pass-through accuracyApplications High-precision current measurement in tight spacesWLTP testing (Worldwide harmonized Light vehicles Test Procedure) In detail:The CT6834 AC/DC Current Clamp delivers unparalleled measurement accuracy, achieving a basic accuracy of ±0.07% rdg. – a level typically found only in pass-through current sensors. Based on advanced fluxgate technology, it ensures exceptional precision and stability while enabling accurate AC/DC current measurement up to 500 A. Its ultra-slim "Dolphin Clamp" design is optimized for tight spaces with dense wiring, such as inside vehicles, and allows for easy installation, even in confined areas like auxiliary battery current measurement. The clamp can accommodate conductors with a maximum diameter of 20 mm, making it versatile for a wide range of applications.Unlike many current sensors on the market, where the position of the conductor within the clamp can impact measurement accuracy, the CT6834 is designed for high reproducibility, regardless of conductor placement. Thanks to HIOKI’s precision engineering, measurement results remain stable and reliable, no matter where the conductor is positioned within the sensor. A major challenge in long-term current measurements is temperature-induced signal drift. While HIOKI fluxgate sensors already exhibit exceptionally low drift, this series pushes performance even further – reducing drift to a nearly unmeasurable level. Even in extreme conditions, such as under the bonnet of a vehicle, where temperatures can rise dramatically during testing, the CT6834 maintains stable accuracy within 0.01%, ensuring highly precise data acquisition for environmental testing and evaluation. To enhance usability and reliability in tight installations, the CT6834 also features an innovative locking mechanism that prevents accidental opening during measurement. In confined spaces, sensors are often pressed against surrounding components or squeezed between cables, which can put unintended pressure on the clamp. With its secure locking design, the CT6834 remains firmly closed, ensuring uninterrupted measurement reliability even in demanding conditions. With a wide frequency bandwidth of 50 kHz, the CT6834 can accurately capture dynamic current waveforms. This, combined with its exceptional accuracy, allows it to meet strict testing standards such as WLTP, ensuring highly reliable measurements in automotive and other precision testing applications.The CT6834 works directly with HIOKI Power Analyzers and Memory Recorders, which supply power to the sensor via the ME15W connector. When combined with a HIOKI sensor unit (CT9555, CT9556, or CT9557), it can also be used with oscilloscopes or other DAQ systems, providing a voltage output ratio of 4 mV/A. The total cable length of the CT6834 is 5 meters, ensuring flexibility in sensor placement. This includes 4 meters of cable between the sensor and its control box, plus an additional 1 meter from the control box to the connector, allowing for convenient integration into various test setups.