HIOKI E E CORPORATION Archives | Page 2 of 6

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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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HIOKI E E CORPORATION CT9555 Sensor Unit
The CT9555 Sensor Unit is a single-channel power adapter and waveform output interface designed for Hioki high-precision current sensors and probes, including the CT684x, CT686x, and 9709 series. It delivers reliable waveform output for accurate current measurements across AC and DC circuits.

Key Features
- Single-channel power supply for high-precision current sensors
- Compatible with CT684x, CT686x, and 9709 series sensors and probes
- Provides waveform output for accurate AC/DC current measurement
- BNC terminal output with 2 V full-scale voltage and 50 Ω output resistance
- Compact and lightweight design (33 × 67 × 132 mm, 200 g)
- Operates in a wide temperature range: -10°C to 50°C
- AC Adapter Z1008 (100–240 V AC) or external DC 10–30 V supply
- ME15W connector ensures easy sensor integration
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HIOKI E E CORPORATION CT9556 Sensor Unit
The CT9556 Sensor Unit is a high-precision, single-channel sensor unit and power adapter designed for Hioki current sensors and probes, including the CT684x, CT686x, and 9709 series. It delivers accurate waveform and RMS output, enabling precise measurement of AC and DC currents.

Key Features
- Single-channel sensor unit and power supply for high-precision current sensors
- Supports CT684x, CT686x, and 9709 series current sensors and probes
- Provides waveform output and RMS output functionality
- Enables AC current measurement even with loggers lacking RMS conversion
- Compatible with Hioki Power Meters, Memory HiCorders, and data loggers
- ME15W connector for seamless integration
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HIOKI E E CORPORATION CT9557 Sensor Unit
The CT9557 Sensor Unit is a high-precision 4-channel device designed to work with Hioki current sensors and probes, including the CT684x and CT686x series. It enables accurate measurement of large currents in multi-cable circuits by aggregating sensor outputs into a single waveform or RMS signal, simplifying complex testing setups.

Key Features
- Aggregates signals from multiple sensors for total current measurement
- Supports CT684x, CT686x, and 9709 series current sensors
- Outputs a single waveform or RMS value from combined sensor signals
- High-precision power supply for waveform-enabled sensors
- Ideal for multi-cable circuits and high-current applications
- Compatible with Hioki Power Meters, Memory HiCorders, and oscilloscopes
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HIOKI E E CORPORATION Digital Multimeter DT4281
The Digital Multimeter DT4281 is Hioki’s flagship high precision multimeter, engineered for advanced electrical and power system testing. Featuring a 60000 count display, true RMS measurement, and industry leading safety design, it delivers fast, accurate results even in complex and high energy environments.

Key Features
- High resolution 60000 count digital multimeter
- Excellent DC voltage accuracy of ±0.025 percent
- Wide AC voltage frequency range from 20 Hz to 100 kHz
- True RMS measurement for accurate readings on distorted waveforms
- Low pass filter for inverter and harmonic rich signals
- Clamp sensor based current measurement for enhanced safety
- Terminal shutter mechanism to prevent incorrect lead insertion
- Dual display for simultaneous voltage and frequency monitoring
- CAT IV 600 V and CAT III 1000 V safety rated
- Designed and manufactured in Japan with 3 year warranty
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HIOKI E E CORPORATION Digital Phase Detector PD3259-50 USD $ 835.82
Hioki Digital Phase Detector PD3259-50 ensures fast, non-contact, and safe phase detection with three-phase voltage measurement. Designed for maximum efficiency, it eliminates the need for metal contact, making it ideal for on-site electrical testing and maintenance.

Key Features:
- Non-contact three-phase voltage measurement and phase detection.
- Safe operation—no metal contact required.
- Simultaneous phase sequence and voltage inspection.
- Compatible with Wireless Adapter Z3210 for Bluetooth® communication.
- Data transfer and report creation using free GENNECT Cross app.
- Visual and audio alerts for phase detection status.
- Durable IP54 dustproof and waterproof design.
Select options This product has multiple variants. The options may be chosen on the product page
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HIOKI E E CORPORATION DM7275 DC Voltmeter
The DM7275 Precision DC Voltmeter is a high stability 7 and a half digit DC voltmeter designed to bridge the gap between research environments and high volume production lines. With a guaranteed one year accuracy of 20 ppm, it delivers reliable and repeatable measurements for lithium ion batteries, advanced capacitors, and next generation electronic components.

Key Features
- 7 and a half digit DC voltage measurement
- 1 year guaranteed 20 ppm accuracy
- Ideal for R and D and production line testing
- Capacitance contact check using built in C monitor
- Fully automatic self calibration for long term stability
- Resistant to temperature fluctuations
- Simultaneous voltage and temperature measurement
- Temperature compensated voltage display
- Built in EXT I O, LAN, and USB interfaces
- Optional GP IB or RS 232C communication models
- Built in variable power supply for global production use
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HIOKI E E CORPORATION DM7275 Precision Voltmeter
The DM7275 Precision DC Voltmeter provides 7½-digit resolution and 20 ppm accuracy, making it perfect for R&D, production lines, and high-precision battery testing. Its advanced contact check, temperature compensation, and multiple connectivity options ensure reliable measurement for lithium-ion batteries, EV components, and next-generation devices.

Key Features
- High-accuracy 7½-digit DC voltmeter with 20 ppm (0.002%) guaranteed accuracy
- Built-in capacitance contact check for maximum measurement reliability
- Temperature compensation converts voltage to standard temperature values
- Fully automatic self-calibration for long-term stability
- Built-in EXT I/O, LAN, USB, GP-IB (DM7275-02), and RS-232C (DM7275-03)
- Supports R&D and production line environments worldwide
- Simultaneous measurement of temperature and voltage
- Ideal for Li-ion batteries, EV components, and electrical double-layer capacitors
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HIOKI E E CORPORATION DM7276 DC Voltmeter
The DM7276 Precision DC Voltmeter is a 7 and a half digit high accuracy instrument designed for ultra precise DC voltage measurement. With industry leading 9 ppm accuracy, it is ideal for lithium ion battery aging tests, capacitor evaluation, and next generation energy device development.

Key Features
- 7 and a half digit precision with 9 ppm accuracy
- Designed for lithium ion battery aging and evaluation
- Built in capacitance contact check for reliable measurements
- Fully automatic self calibration for long term stability
- Resistant to temperature fluctuations and environmental changes
- Simultaneous voltage and temperature measurement
- Temperature compensated voltage display
- Supports global production with variable power supply
- Built in EXT I O, LAN, and USB interfaces
- Optional GP IB or RS 232C communication models
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HIOKI E E CORPORATION DMM Station MR8990 + MR8741
The DMM Station MR8990 combined with the MR8740 or MR8741 Memory HiCorder delivers high precision, simultaneous DC voltage measurement across up to 32 channels. Designed for capturing minute voltage fluctuations, this system is ideal for advanced sensor analysis, battery testing, and automotive electronics evaluation.

Key Features
- High precision DC voltage measurement using DVM Unit MR8990
- Simultaneous sampling across multiple channels
- Supports up to 32 channels with expandable configuration
- Measures minute voltage fluctuations with high resolution
- Accuracy of ±0.01 percent with 1.2 million count resolution
- High speed sampling up to 500 samples per second
- Isolated inputs for enhanced safety and signal integrity
- Suitable for battery, sensor, and automotive testing
- Rack mountable system for laboratory and production use
- Compatible only with MR8740 and MR8741 Memory HiCorders
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HIOKI E E CORPORATION EQUIVALENT CIRCUIT ANALYSIS FIRMWARE IM9000 USD $ 1,831.09
An advanced firmware upgrade for the IM3570 that enables quick and accurate equivalent circuit analysis, ideal for in-depth component evaluation and quality control.

Key Features:
- Automatically selects the optimal equivalent circuit model from five typical options
- Minimizes discrepancies between measured and ideal frequency characteristics
- Determines acceptance/rejection of L, C, and R elements with precision
- Evaluates resonance sharpness (mechanical quality coefficient)
- Enables detailed analysis of piezoelectric elements and inductors through resonance
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HIOKI E E CORPORATION Hioki 3153 HiTESTER
The Hioki 3153 HiTESTER is an all-in-one solution for insulation resistance and AC/DC voltage withstand testing. It is fully programmable for automated multi-point testing, making it ideal for industrial, manufacturing, and electrical safety applications.

Key Features
- Programmable insulation testing from 50 V to 1200 V DC
- Dielectric strength testing for AC/DC voltages up to 5 kV
- Store and program up to 32 test files with 50 steps each
- Optional scanner for automatic multi-point testing
- Accurate voltage generation via PWM method, independent of supply voltage
- Ramp timer function for controlled voltage rise/fall during testing
- Digital display of measured voltage, current, and resistance
- Compact design with full remote operation capability
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HIOKI E E CORPORATION Hioki 3930 Voltage Scanner
The Hioki 3930 High Voltage Scanner is a passive auxiliary device designed to streamline multi-point high-voltage testing when paired with the Hioki 3153 or a sequencer. Its isolated channels allow safe and efficient AC/DC voltage testing while minimizing connection changes, making it ideal for industrial testing and quality control applications.

Key Features
- Supports AC/DC high-voltage output up to 5 kV
- Multi-point testing: 8 channels per unit, up to 32 channels with 4 connected units
- Fully isolated HV I/O, control lines, and power supply
- Operates in multi-mode or single-mode scanning for flexible testing
- Compatible with Hioki 3153 program function or standard sequencer
- Fast operation with <6 ms response and recovery time
- Includes HV test leads, control connector cable, and grounding cable
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HIOKI E E CORPORATION Hioki BT5525 Tester
The Hioki BT5525 Tester is engineered for battery production lines to detect microscopic insulation defects and contamination before shipment. It ensures safety, reduces false negatives, and accelerates high-speed testing, making it ideal for modern battery manufacturing.

Key Features
- Proprietary BDD function detects minuscule internal short-circuits caused by contamination
- Stable insulation resistance testing even in noisy environments
- Contact check function prevents erroneous judgments
- Maximum test voltage of 500 V for battery cell, module, and pack testing
- High-speed charging up to 50 mA and discharging up to 40 mA for faster testing
- Compact design allows integration into battery production systems
- Cost-effective solution for small to large battery cells and packs
- PC application for waveform review and CSV data export
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