HIOKI E E CORPORATION

Established in 1935, HIOKI E E CORPORATION  has grown to become a world leader in providing consistent delivery of test and measuring instruments through advanced design, manufacturing, sales and services. By offering over 200 main products characterized by safety and quality while meeting an expansive range of applications, we aim to contribute to the efficiency and value of our customers’ work in research and development, production and electrical maintenance.

 

HIOKI is used for testing of electronic circuit boards and boards with embedded active and passive devices, development of transport-related equipment and monitoring to detect equipment malfunctions, testing of electronic components and evaluation of the quality of energy-saving equipment and power supplies and maintenance and inspection of electrical work and equipment.HIOKI E E CORPORATION Electrical measuring instruments, known as the “mother tools” of industry, play an essential role in research and development, manufacturing, maintenance, and service. It comprise four product groups: automatic test equipment, data recording equipment, electronic measuring instruments, and field measuring instruments used in a broad range of industries and fields, from maintenance and inspection of electrical work and equipment to testing of electronic components used in smart phones and computers and development of electric vehicles and solar power generation technologies.

 

HIOKI Power Quality Analyzers (PQA); Insulation Testing; Data Acquisition Recorders; Power Demand Meters; Data Loggers; AM Meters; Volt Meters; Clamp-On; Digital Multimeters; Meters; Testers; Field Use Measurement Instruments; Electronic Measurement Instruments; Recorders and Automatic Test Equipment.                           download (8)

General Catalog: Electrical Measuring Instruments 2018 (64.5MB)

Short Form Catalog

Catalog: Short Form Catalog (4.7MB)

Catalog: 2018 Field Measuring Instruments (43.5MB)

Hioki CLAMP METER Series Catalog

Hioki Clamp Meter Series Catalog

Showing 1–16 of 33 results


  • 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

     

    Select options This product has multiple variants. The options may be chosen on the product page
    Learn More
  • The Hioki M7103 Module is a compact, high-precision power measurement solution designed for multi-channel efficiency testing of PV inverters, high-voltage batteries, and energy storage systems. Ideal for embedded and production line applications, it offers unmatched scalability, speed, and accuracy.

    Key Features

    • Power analyzer-class accuracy: DC/AC ±0.07%
    • Supports up to 1500 V DC measurement
    • 12 channels per 4U rack unit; expandable to 120 channels
    • Synchronization Source Sharing for stable efficiency measurements
    • High-speed data transfer with 5 ms sampling interval
    • Suitable for PV inverter and multi-MPPT string efficiency testing
    • Direct measurement without differential probes for high voltages
    • Compliant with EN IEC 61010 safety standards

     

  • The Hioki PW3335 Meter is a high-precision single-phase power meter designed to measure AC/DC standby power and large power loads with exceptional accuracy. Ideal for energy testing of transformers, adapters, power supplies, and motors, it supports currents up to 30 A continuous and handles high crest factors for accurate low-power measurements.

    Key Features

    • Measures AC/DC power from 1 mA to 20 A (max 30 A continuous)
    • High-precision basic accuracy: ±0.1%
    • Wide frequency bandwidth: DC to 100 kHz
    • Measures harmonic and standby power per IEC62301
    • Accurate even at low power factors for no-load testing
    • Supports crest factor up to CF6 for high-accuracy AC adapter testing
    • Multi-unit synchronization: up to 8 meters
    • Optional external sensor inputs up to 5000 A (PW3335-03/-04)
    • Built-in LAN, RS-232C, GP-IB, and D/A outputs depending on model

     

  • The Hioki PW3336 Meter is a high-precision, 2-channel power meter for DC, single-phase, and three-phase measurements. It delivers accurate readings for motors, inverters, power conditioners, and industrial power supplies, supporting voltages up to 1000 V and currents up to 65 A direct input.

    Key Features

    • Measures DC, single-phase 2-wire, single-phase 3-wire, and 3-phase 3-wire systems
    • High-precision basic accuracy: ±0.1%
    • Frequency bandwidth: DC to 100 kHz
    • Supports currents up to 65 A direct input, up to 5000 A with optional sensors
    • Harmonic analysis up to the 50th order (IEC 61000-4-7)
    • Multi-unit synchronization: up to 8 units
    • Built-in GP-IB or D/A output options available
    • Ideal for motor, inverter, power conditioner, and industrial equipment testing

     

  • The Hioki PW3337 Meter is a high-precision, 3-channel power meter for DC, single-phase, and three-phase 4-wire systems. It is ideal for motors, inverters, power conditioners, and industrial power supplies, supporting voltages up to 1000 V and currents up to 65 A direct input.

    Key Features

    • Measures DC, single-phase 2-wire to 3-phase 4-wire systems
    • High-precision basic accuracy: ±0.1%
    • Frequency bandwidth: DC to 100 kHz
    • Supports currents up to 65 A direct input, up to 5000 A with optional sensors
    • Harmonic analysis up to the 50th order (IEC 61000-4-7)
    • Multi-unit synchronization: up to 8 units
    • Can create a 6-channel setup by synchronizing two units via PC application
    • Built-in GP-IB or D/A output options available
    • Ideal for development and production of motors, inverters, and power conditioners

     

  • The Hioki VT1005 Divider allows safe, accurate measurement of high voltages up to 5000 V and evaluation of inverter efficiency with exceptional precision. Its broad frequency range, high noise immunity, and differential input design make it ideal for power system and high-voltage inverter applications.

    Key Features

    • Maximum input voltage: 5000 V AC/DC
    • Differential input method for precise measurement
    • ±0.08% DC accuracy, ±0.04% at 50/60 Hz, ±0.17% at 50 kHz
    • Frequency band: DC to 4 MHz (-3 dB)
    • Excellent amplitude flatness: ±0.1% up to 200 kHz
    • Phase flatness: ±0.1° up to 500 kHz
    • Noise resistance: CMRR 80 dB typical (100 kHz)
    • Detects efficiency improvements on the order of 0.1%
    • Safely measures high voltages that standard analyzers cannot handle

     

  • The Hioki MR6000 Memory HiCorder sets a new benchmark in waveform recording, combining cutting-edge technology, intuitive design, and world-class performance. Built from the ground up, it’s engineered to tackle both current and future measurement challenges with ease and precision.

    Key Features:

    • Large, intuitive touch panel for efficient and user-friendly operation
    • Simultaneous multi-channel isolation measurement at up to 200 MS/s (with High Speed Analog Unit U8976)
    • Significantly faster data saving for a seamless experience
    • Real-time data saving without interrupting ongoing measurements
  • The Hioki Rack-mounted Multi-channel System Recorder (MR8741/MR8740) is a powerful, high-speed, single-device solution for waveform recording and generation. Ideal for test systems, it offers high-resolution, isolated multi-channel measurements with fast sampling capabilities.

    Key Features:

    • Integrated waveform recording and generation in one device
    • Equipped with DVM Unit MR8990 for high-accuracy 24-bit resolution measurements
    • Supports up to 16 channels (MR8741) for multi-channel testing
    • Isolated input between channels and from input to chassis (up to 300 V AC/DC)
    • High-speed sampling up to 20 MS/s
    • Compact rack-mountable design (4U height, under 180 mm depth)
    • Monitor display and setting access via DVI-D and mouse
    • Enables remote measurement and control via LAN
    • Browser-based screen monitoring or advanced control via Hioki 9333 LAN Communicator
  • The Hioki Memory Recorder is a high-speed, fully-isolated data acquisition system designed for precise and simultaneous measurement of multiple analog and logic signals. Ideal for testing, simulation, and system diagnostics, it combines waveform generation and recording in one powerful unit.

    Key Features:

    • Generate and record waveforms using a single device
    • Simulate issues by outputting previously recorded problematic waveforms to test devices
    • Supports 32 analog + 32 logic channels, expandable to 28 analog + 64 logic channels
    • High-speed sampling up to 20 MS/s with fully isolated inputs
    • Ensures safe measurement with complete analog input isolation
    • Equipped with a large-capacity 512M-word memory
    • Simultaneously measures high voltage and ultra-low voltage system signals

     

  • The Memory HiCorder MR8848 is a rugged, high-speed data acquisition recorder designed for capturing critical transient events in demanding industrial and infrastructure environments.

    Key Features

    • Durable, shock-resistant portable design for field use
    • Isolated analog channels for safe multi-system measurements
    • 32 analog and 64 logic channels for complex signal analysis
    • High-speed sampling to capture fast transient waveforms
    • Large-capacity memory for long-duration recording
    • Built-in waveform and numerical analysis for pass or fail judgments
    • Optional on-site printer for secure, tamper-proof documentation

     


Showing 1–16 of 33 results