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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 53 results

  • Data Logger LR8101, LR8102 - 01
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    HIOKI E E CORPORATION Data Logger LR8101, LR8102

    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)

     

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  • Digital Multimeter DT4281 - 01
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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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  • DM7275 DC Voltmeter - 01
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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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  • DM7275 Precision Voltmeter - 01
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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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  • DM7276 DC Voltmeter - 01
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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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  • DMM Station MR8990 + MR8741
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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 Digital Multimeter DT4282 - 1
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    HIOKI E E CORPORATION Hioki Digital Multimeter DT4282 USD $ 575.17

    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.

     

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    HIOKI E E CORPORATION Hioki DT4261 Digital Multimeter USD $ 313.07

    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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  • Hioki M7103 Module - 01
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    HIOKI E E CORPORATION Hioki M7103 Module

    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

     

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  • Hioki PQ3198 Analyzer - 01
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    HIOKI E E CORPORATION Hioki PQ3198 Analyzer

    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

     

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  • Hioki PW3335 Meter - 01
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    HIOKI E E CORPORATION Hioki PW3335 Meter

    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

     

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  • Hioki PW3336 Meter - 01
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    HIOKI E E CORPORATION Hioki PW3336 Meter

    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

     

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  • Hioki PW3337 Meter - 01
    Hioki PW3337 Meter - 03
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    HIOKI E E CORPORATION Hioki PW3337 Meter

    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

     

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  • Hioki VT1005 Divider - 01
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    HIOKI E E CORPORATION Hioki VT1005 Divider

    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

     

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  • Hioki-PW4001-Analyzer-01
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    HIOKI E E CORPORATION Hioki-PW4001-Analyzer

    The Hioki PW4001 Analyzer is a portable, high-precision 4-channel power analyzer built for vehicle, motor, and inverter testing. It combines lab-grade measurement accuracy with field-ready portability, supporting high-frequency applications up to 600 kHz and real-world vehicle testing.

    Key Features

    • ±0.04% basic DC accuracy for precise measurements
    • Frequency bandwidth from DC to 600 kHz
    • Operates in harsh environments from -20°C to 50°C
    • Auto phase shift correction for Hioki current sensors
    • Direct CAN/CAN FD input and output for vehicle data acquisition
    • Compact, portable design for field or lab use
    • Motor and inverter efficiency evaluation with 1 ms data updates
    • Direct voltage input up to 1500 V DC
    • High-speed sampling at 2.5 MHz for waveform analysis

     

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  • LR8432-Heat-Flow-Logger-01
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    HIOKI E E CORPORATION LR8432 Heat Flow Logger

    The Hioki LR8432 Heat Flow Logger is a compact, lightweight, 10-channel data logger designed to visualize heat flow and analyze the root causes of temperature change. It supports accurate heat energy measurement for thermal performance evaluation in automotive, construction, and R&D environments.

    Key Features

    • Measures heat flow using dedicated heat flow sensors
    • Records temperature and voltage simultaneously
    • Ten fully isolated analog input channels for stable measurements
    • Fast 10 ms sampling across all channels
    • Simultaneous recording of raw and calculated waveforms
    • Supports heat transmission coefficient calculations
    • Dual gauge display for easy comparison of heat flow and temperature
    • Data recording to USB flash drive or CompactFlash card
    • Ideal for insulation evaluation and thermal performance analysis

     

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Showing 1–16 of 53 results