HIOKI E E CORPORATION

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

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

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

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

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

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

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

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

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

Hioki Digital Multimeter DT4282 is designed for professionals who demand high accuracy, reliability, and safety in every measurement.

Key Features:

• High-precision 60,000-count, 5-digit display for detailed readings.
• Exceptional ±0.025% DC voltage accuracy for laboratory-grade results.
• Wide AC voltage frequency range (20 Hz–100 kHz) for diverse applications.
• Built-in low-pass filter to eliminate high harmonic noise.
• Direct 10 A input ideal for high-current measurements.
• Dual display shows voltage and frequency simultaneously.
• Terminal shutter mechanism enhances operator safety.
• Rated CAT IV 600 V / CAT III 1000 V for secure operation in demanding environments.

The Hioki DT4261 Digital Multimeter is a professional-grade tool that enhances field analysis, safety, and efficiency. Built for electrical engineers and maintenance professionals, it combines exceptional measurement accuracy, advanced safety features, and wireless connectivity for smart data handling.

Key Features:

• True RMS measurement for accurate readings
• CAT IV 600 V / CAT III 1000 V safety rating
• Wireless connectivity with optional Z3210 adapter
• Excel® Direct Input Function for instant data transfer
• Terminal shutters prevent incorrect lead insertion
• Fuse check and automatic AC/DC voltage detection
• Harmonic measurement up to the 30th order with GENNECT Cross
• IP54 dust and water resistance
• Drop-proof design (1-meter concrete drop protection)
• Wide temperature range: -25°C to 65°C

The PW9100A AC/DC Current Box is a high-precision, direct-coupled current measurement device designed for use with Hioki Power Analyzers. Optimized for testing inverters, EVs, hybrid systems, and renewable energy equipment, it supports multi-channel measurements with unparalleled accuracy and wide bandwidth.

Key Features

• Direct AC/DC measurement up to 50 A
• Wide frequency bandwidth: DC to 3.5 MHz
• Exceptional power accuracy: ±0.055% with PW8001 (with U7005)
• Full-rack design for easy bench integration
• Supports 3- or 4-channel measurement options
• Automatic current sensor detection with PW8001
• High common-mode rejection: 120 dB at 100 kHz
• Ideal for high-precision motor, inverter, and EV testing

The SM7120 Super Megohm Meter provides rapid, ultra-low current and high-resistance measurement, making it perfect for automated production lines, high-voltage applications, and precise testing of electronic components, EV parts, and insulation materials. Its 2000 V output, exceptional noise resistance, and flexible design ensure reliable, repeatable measurements even in complex environments.

Key Features

• 6.4 ms high-speed measurement including contact check
• Maximum 2000 V output for high-voltage testing
• 0.1 fA ultra-low current resolution for precise detection
• 2 × 10¹⁹ Ω maximum display range
• 300x improved noise resistance for stable results
• Built-in EXT I/O, RS-232C, GP-IB, and USB connectivity
• Multipurpose functionality: Electrometer, Picoammeter, IR Meter
• Ideal for electronic components, EVs, wearables, and insulation testing

The SM7420 Super Megohm Meter offers ultra-low current measurement with 4-channel simultaneous testing, making it ideal for automated production lines and high-precision inspection of passive components like capacitors and filters. Its advanced noise resistance, channel-independent contact checks, and multiple connectivity options ensure accurate, repeatable, and high-speed performance for mass production.

Key Features

• Four-channel ultra-low current measurement with 0.1 fA resolution
• Industry-leading noise resistance, 300x better than previous models
• High-speed testing: 6000 ps/minute for mass production efficiency
• Channel-independent low-capacitance contact check
• Built-in EXT I/O, RS-232C, GP-IB, and USB connectivity
• Ideal for automated MLCC leakage current inspection lines
• Supports integration into automated production systems

The SW2001 High Voltage Multiplexer is a durable and reliable solution designed to simplify complex motor testing setups. It allows safe and seamless switching between high voltage testing and 4 terminal low voltage measurements, helping manufacturers improve efficiency, accuracy, and equipment protection across production lines.

Key Features

• Consolidates six motor tests into one multiplexer system
• Enables safe switching between high voltage and low voltage measurements
• Supports resistance, inductance, surge, hipot, insulation resistance, and partial discharge tests
• Available in 4, 8, and 16 channel configurations
• Reduces test time and manual reconnections
• Protects low voltage instruments from stored energy damage
• Designed for long service life with high durability relays

Pencil-style Pocket Digital Multimeter for General Electrical Maintenance, Testing and Hobbyists

Key Features:

• Test lead and main unit in a single body
  
• Overload protection to 600 V at resistance or continuity functions
  
• LED light brightly illuminates test points