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 48 results


  • A high-performance analyzer designed for R&D applications involving electrochemical components, materials, batteries, and EDLCs. It enables precise impedance measurements essential for advanced evaluation and development.

    Key Features:

    • Wide frequency range: 1 mHz to 200 kHz for detailed ion and solution behavior analysis
    • Dual function: High-speed continuous LCR and sweep measurements with one device
    • Battery analysis: Measures internal impedance under no-load conditions
    • Ultra-fast sweep: Perform measurements in as little as 2 ms
    • High accuracy: ±0.05% basic precision for reliable R&D and testing
    • Advanced analysis: Supports Cole-Cole plots and equivalent-circuit modeling for electrochemical studies
  • The Data Logger LR8102 is a modular data acquisition system ideal for high-voltage and embedded applications. Designed for EV battery testing, PV inverter evaluation, and energy-efficient system analysis, it allows users to build the exact measurement system needed with flexible modules.

    Key Features

    • Modular design to expand channels as required
    • Supports real-time high-speed data transfer (LR8102)
    • Synchronize multiple loggers for large-scale measurements (LR8102)
    • High-precision measurements for voltage, current, and temperature
    • Ideal for battery charge/discharge testing and PV inverter production
    • Compatible with power measurement modules (M7103) and voltage/temperature modules (M7100, M7102)

     

  • 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

     

  • 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
  • Key Features:

    • High-precision EIS measurement for EV and ESS battery testing
    • Frequency range: 0.01 Hz to 1.05 kHz for versatile impedance analysis
    • Measures impedance, voltage, and temperature simultaneously
    • Supports Nyquist (Cole-Cole) plotting for battery R&D
    • Four-terminal pair probes reduce magnetic flux for stable measurements
    • LAN interface enables multi-channel testing and integration into production systems
    • Compatible with third-party equivalent circuit analysis software
    • Reliable for both R&D and manufacturing applications

     

  • 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
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  • The Hioki Earth Tester FT6031-50 is a robust, IP67-rated ground resistance tester designed for fast, precise, and reliable measurements in challenging field environments. Ideal for professional electrical maintenance and safety inspections, it ensures accurate earth resistance testing for all grounding types.

    Key Features:

    • IP67 dustproof and waterproof protection for outdoor use
    • Wireless data transfer with optional Z3210 Adapter
    • Test Class A to D grounds with a single meter
    • Wide measurement range from 0 Ω to 2000 Ω
    • Advanced noise resistance up to 25 V rms
    • Auto power-off and digital display for efficient operation
    • Easy two-pole or three-pole measurement methods
    • Innovative tangle-free cable winder for quick setup and cleanup

     

    Select options This product has multiple variants. The options may be chosen on the product page
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  • The Hioki Earth Tester FT6041 is a highly versatile and durable ground resistance tester engineered for precision and performance in any field environment. With IP67 protection, multiple measurement methods, and wireless data transfer capability, it’s ideal for professionals handling complex grounding applications.

    Key Features:

    • Compatible with 2, 3, and 4-pole measurement methods
    • MEC function for testing without disconnecting ground electrodes
    • IP67-rated protection for harsh field environments
    • Measures even on concrete using Earth Nets Module
    • Fast 6-second readings with tangle-free cord rewinding
    • Operates in extreme temperatures from -25°C to 65°C
    • Optional Z3210 adapter enables wireless data transfer
    • Excellent noise resistance with 30 V RMS ground potential tolerance

     

    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 PQ3198 Analyzer is a high-precision power quality analyzer designed to detect, log, and analyze electrical anomalies in single- to three-phase systems. Ideal for industrial equipment, EV chargers, and aviation systems, it ensures reliable troubleshooting and energy management.

    Key Features

    • IEC 61000-4-30 Ed.3 Class A compliant measurement
    • High-accuracy voltage (±0.1%), current (±0.1%), and power (±0.2%) recording
    • Detects voltage dips, swells, interruptions, frequency fluctuations, and inrush current
    • Harmonics and supraharmonics measurement up to 80 kHz
    • Transient voltage measurement up to 6000 V peak at 2 MS/s
    • Two-circuit measurement with efficiency calculation
    • GPS synchronization for multi-device setups (optional)
    • Intuitive PQ ONE software for analysis and report creation
    • Remote monitoring via GENNECT One and cloud-based services

     

  • 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

     


Showing 1–16 of 48 results