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.

General Catalog: Electrical Measuring Instruments 2018 (64.5MB)

Catalog: Short Form Catalog (4.7MB)

Catalog: 2018 Field Measuring Instruments (43.5MB)

Hioki Clamp Meter Series Catalog

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HIOKI E E CORPORATION Hioki CM3289 Clamp Meter USD $ 165.27
Hioki CM3289 Clamp Meter is a True RMS AC clamp meter designed for precise current measurement, even in tight or challenging environments.

Key Features:
- Measures AC current up to 1000 A with True RMS accuracy
- Wide operating range from -25°C to 65°C for harsh conditions
- Slim and compact clamp design for confined spaces
- Optional flexible sensor CT6280 for measuring up to 4199 A
- Measures voltage, resistance, and continuity in one device
- Drop-resistant and engineered for rugged environments
- Long battery life with auto power-save function
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HIOKI E E CORPORATION Hioki CM4371-50 Clamp Meter USD $ 349.47
Hioki CM4371-50 Clamp Meter delivers high-precision AC/DC measurements with advanced safety and wireless data features, ideal for demanding electrical work.

Key Features:
- True RMS measurement up to 600 A AC/DC
- CAT IV 600 V, CAT III 1000 V safety ratings
- Measures DC voltages up to 2000 V with optional probe
- Wireless data transfer via GENNECT Cross app and Z3210 adapter
- Harmonic analysis up to the 30th order for system diagnostics
- Simultaneous RMS and crest inrush current measurement
- Automatic AC/DC detection for efficient testing
- Compact, rugged design for field reliability
Select options This product has multiple variants. The options may be chosen on the product page
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HIOKI E E CORPORATION Hioki CM4373-90 Clamp Meter USD $ 401.16
Hioki CM4373-90 True RMS 2000A AC/DC Clamp Meter delivers precision and reliability for professionals working in demanding environments. Built for durability and accuracy, it includes a wireless adapter for real-time data transfer and enhanced field productivity.

Key Features:
- Measures up to 2000 A AC/DC with True RMS accuracy
- CAT IV 600 V, CAT III 1000 V safety rating
- Wireless connectivity via Z3210 adapter for instant data transfer
- Supports harmonic analysis (1st–30th order) using GENNECT Cross app
- Measures up to 2000 V DC with optional P2010 probe
- Automatic AC/DC detection for improved workflow efficiency
- IP54-rated enclosure for dust and water resistance
- Ideal for solar PV inspections, EV systems, and industrial maintenance
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HIOKI E E CORPORATION Hioki CM4375-90 Clamp Meter USD $ 401.16
Hioki CM4375-90 True RMS 1000A AC/DC Clamp Meter delivers precision and reliability with a slim jaw design that fits easily into tight spaces. Built for modern electrical work, it features a wireless adapter for effortless data transfer and is ideal for solar, EV, and industrial applications.

Key Features:
- Measures up to 1000A AC/DC with True RMS accuracy
- Slim jaw design fits easily in tight panels and wiring setups
- Wireless communication via Z3210 adapter for fast data transfer
- Measures up to 2000V DC with optional P2010 probe
- CAT IV 600V / CAT III 1000V safety rating
- IP54 dustproof and waterproof design for durability
- Harmonic analysis (1st–30th order) using GENNECT Cross app
- Auto AC/DC detection and inrush current measurement for motors and equipment
- Guaranteed for 30,000 open-close jaw cycles
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HIOKI E E CORPORATION MEMORY HiCORDER MR6000 USD $ 15,210.78
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
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HIOKI E E CORPORATION MEMORY HiCORDER MR8741 USD $ 6,710.59
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
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HIOKI E E CORPORATION MEMORY HiCORDER MR8827 USD $ 11,073.17
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
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HIOKI E E CORPORATION HiCORDER MR8740T – High-Speed Data Acquisition USD $ 21,809.97
Max. 108 Analog Channels, Reduce Inspection Data Transfer Time to Zero

Key Features of HiCORDER MR8740T – High-Speed Data Acquisition:
- Ideal for multipoint inspection of high performance boards such as ECU
- 108ch analog to 96ch analog + 48ch logic input
- Reduce time required to save to external media to max.1/100 compared with conventional method
- 20 MS/s simultaneous sampling on all channels
- Safe measurement with all analog inputs isolated
- Supports 4K monitor to display multi-channel waveforms without overlapping
- Measure 4 channels with 1 unit (4 ch analog Unit U8975, 4 ch DVM Unit U8991)
- Generate constant voltage, constant current, and simulated resistance (VIR Generator Unit U8794)
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HIOKI E E CORPORATION HiCORDER MR8847 High-Speed Waveform Recorder USD $ 7,818.71
High-speed 20 MS/s (*1), 32-channel, Fully Isolated Memory Recorder for On-site Jobs and R&D

Key Features:
- Supports a wide variety of measurements with a total of 17 plug-in modules
- Generate and record with a single unit
- Direct 1000 V high voltage input testing
- High-speed sampling up to 20MS/s (*1) with fully isolated inputs
- 32 analog channels + 16 logic ch to 20 analog channels + 64 logic ch
- High-speed sampling with waveform judgement function
- Soil-resistant construction strong against adverse working environments
- Big buttons coated to withstand industrial oil and residue
- Drop-in paper loading and one-touch setup, along with high-speed 50mm/s printing
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HIOKI E E CORPORATION Hioki 3280-20F Rugged AC Clamp Meter
Key Features:
- Measure even harmonic waveform components using the True RMS method
- Expanded -25°C to 65°C operating temperature range
- Connect the CT6280 flexible sensor to measure up to 4199 A in thick or paired wires
- Drop proof design withstands drop from a height of 1 meter
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HIOKI E E CORPORATION Hioki CM4141-50 AC Clamp Meter USD $ 299.96
- CAT IV 600 V, CAT III 1000 V
  When using P2000: CAT III 2000 V, CAT IV 1000 V
- Easily get into tight spaces between cables thanks to thin sensor with a minimum cross-section span of 11 mm
- Measure up to 2000 A AC
- AC A, AC and DC V, DC+AC V, resistance, frequency, and more
- Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file (*1)
- Harmonic analysis from 1st to 30th order with GENNECT Cross (*1)
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HIOKI E E CORPORATION Hioki U8975 4CH Analog Unit USD $ 2,103.39
- High speed sampling of 5 MS/s ensures catching high speed phenomena
- Isolated 4 channel input
- Max. rated voltage to ground: 300 V AC or DC (CAT II)
- High resolution measurement with 16 bit A/D
- For Memory HiCorder MR6000 and MR8740T
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HIOKI E E CORPORATION PW8001 High-Precision Power Analyzer USD $ 10,066.25

The Hioki PW8001 High-Precision Power Analyzer sets the benchmark for precision power analysis, offering unmatched accuracy and flexibility for evaluating motor and inverter efficiency. Supporting DC and frequencies from 0.1 Hz to 5 MHz, it features an 8-channel measurement capacity, enabling simultaneous analysis of complex systems like EV drivetrains, renewable energy sources, and high-efficiency SiC/GaN semiconductors.

Equipped with advanced features such as automatic phase correction, intuitive Power Spectrum Analysis (PSA), and CAN/CAN FD integration, the PW8001 excels in capturing high-speed switching power fluctuations and harmonics. Its compatibility with high-voltage systems (up to 1500 V) and seamless connectivity with industry-standard software like LabVIEW and MATLAB ensure it meets diverse testing needs. With its robust design, real-time waveform visualization, and comprehensive motor analysis functions, the PW8001 is the ultimate tool for power conversion efficiency analysis.

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HIOKI E E CORPORATION Hioki MEMORY HiCORDER MR6000
High-speed 200 MS/s isolated testing (with High Speed Analog Unit U8976Ax8)

Simultaneously measure up to 32 analog channels (with 4ch Analog Unit U8975x8)

Real-time saving of data of all 32 ch at 1 MS/s (with SSD Unit U8332)

Highly-responsive touchscreen

Memory Concierge: Easily search for the waveform you want to see with the waveform search function

Faster save times (1/10th the time required by legacy models)

Real-time digital filter calculation

Model No. (Order Code)
MR6000 Main unit only, input modules up to 8 units

MR6000-01 Built-in real-time waveform calculation and other functionality

Note: Main unit MR6000/MR6000-01 cannot operate alone. You must install one or more optional input modules in the unit.
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HIOKI E E CORPORATION Hioki AC CLAMP METER 3280-10F with Broad Operating Temperature Range, Attachable Flexible Sensor, and Drop-Proof Durability USD $ 85.18
- Measure the fundamental waveform component using the average rectified method
- Expanded -25 °C to 65 °C operating temperature range
- Connect the CT6280 flexible sensor to measure up to 4199 A in thick or paired wires
- Drop proof design withstands drop from a height of 1 meter
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HIOKI E E CORPORATION Hioki POWER ANALYZER PW3390

DC, 0.5 Hz to 200 kHz, 3-phase 4-wire, High Precision Power Analyzer for Motor and Inverter Efficiency Analysis

Model No. (Order Code)

PW3390-01

PW3390-02 D/A output

PW3390-03 D/A output, motor analysis

Note: PW3390 by itself does not support current and power measurements. Optional current sensor and voltage cord are necessary to measure current or power parameters. Specify inclusion of Motor analysis & D/A output upon order for factory installation. These options cannot be changed or added after delivery.

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