Products

The DM7276 Precision DC Voltmeter offers industry-leading 9 ppm accuracy for advanced battery testing, EV components, and next-generation devices. Its reliable performance, temperature compensation, and built-in interfaces make it ideal for both R&D and production applications.

Key Features

• High-accuracy 7½-digit DC voltmeter with 9 ppm (0.0009%) accuracy
• Built-in contact check to ensure reliable measurement
• Temperature compensation for standard temperature voltage display
• Supports Li-ion battery aging tests and EV component evaluation
• Built-in EXT I/O, LAN, USB, GP-IB, and RS-232C (model-dependent)
• Fully automatic self-calibration for long-term stability
• Capable of simultaneous temperature and voltage measurement
• Suitable for global production with variable built-in power supply

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

The Hioki 3153 HiTESTER is an all-in-one solution for insulation resistance and AC/DC voltage withstand testing. It is fully programmable for automated multi-point testing, making it ideal for industrial, manufacturing, and electrical safety applications.

Key Features

• Programmable insulation testing from 50 V to 1200 V DC
• Dielectric strength testing for AC/DC voltages up to 5 kV
• Store and program up to 32 test files with 50 steps each
• Optional scanner for automatic multi-point testing
• Accurate voltage generation via PWM method, independent of supply voltage
• Ramp timer function for controlled voltage rise/fall during testing
• Digital display of measured voltage, current, and resistance
• Compact design with full remote operation capability

The Hioki 3930 High Voltage Scanner is a passive auxiliary device designed to streamline multi-point high-voltage testing when paired with the Hioki 3153 or a sequencer. Its isolated channels allow safe and efficient AC/DC voltage testing while minimizing connection changes, making it ideal for industrial testing and quality control applications.

Key Features

• Supports AC/DC high-voltage output up to 5 kV
• Multi-point testing: 8 channels per unit, up to 32 channels with 4 connected units
• Fully isolated HV I/O, control lines, and power supply
• Operates in multi-mode or single-mode scanning for flexible testing
• Compatible with Hioki 3153 program function or standard sequencer
• Fast operation with <6 ms response and recovery time
• Includes HV test leads, control connector cable, and grounding cable

Key Features:

• Fully automated battery testing for large packs up to 300 V
• Simultaneous measurement of internal resistance (AC-IR) and open-circuit voltage (OCV)
• Wide resistance range: 3 mΩ to 3.1 kΩ with 0.1 μΩ resolution
• Voltage measurement ranges: 6 V, 60 V, and 300 V with high precision
• Equipped with LAN interface for production line integration
• Fast, accurate AC four-terminal method
• Resistant to static electricity (±30 kV contact discharge)
• Ideal for high-voltage pack inspection and quality control

Key Features:

• Fully automated battery testing for small cells and packs up to 60 V
• Simultaneous measurement of internal resistance (AC-IR) and open-circuit voltage (OCV)
• Wide resistance range: 0 Ω to 3.1 kΩ with 1 μΩ resolution
• Voltage measurement ranges: 6 V and 60 V with high precision
• Equipped with LAN interface for integration with production lines
• Rapid measurement using AC four-terminal method
• Highly resistant to static electricity (±30 kV contact discharge)

Key Features:

• Fully automated battery testing for large cells and mid-sized packs up to 100 V
• Simultaneous measurement of internal resistance (AC-IR) and open-circuit voltage (OCV)
• Wide resistance range: 3 mΩ to 3.1 kΩ with 0.1 μΩ resolution
• Voltage measurement ranges: 6 V, 60 V, and 100 V with high precision
• Equipped with LAN interface for production line integration
• Fast, accurate AC four-terminal method
• Resistant to static electricity (±30 kV contact discharge)
• Ideal for production, shipping inspection, and quality control

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

The Hioki BT5525 Tester is engineered for battery production lines to detect microscopic insulation defects and contamination before shipment. It ensures safety, reduces false negatives, and accelerates high-speed testing, making it ideal for modern battery manufacturing.

Key Features

• Proprietary BDD function detects minuscule internal short-circuits caused by contamination
• Stable insulation resistance testing even in noisy environments
• Contact check function prevents erroneous judgments
• Maximum test voltage of 500 V for battery cell, module, and pack testing
• High-speed charging up to 50 mA and discharging up to 40 mA for faster testing
• Compact design allows integration into battery production systems
• Cost-effective solution for small to large battery cells and packs
• PC application for waveform review and CSV data export

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

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

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

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

The Hioki CT6873 Sensor is a high-precision AC/DC current sensor designed for accurate current measurements in R&D, EV, PV, and industrial applications. Its advanced flux gate detection ensures superior accuracy across DC to 10 MHz frequency ranges.

Key Features

• Measures AC/DC currents up to 200 A with high accuracy
• Wide frequency bandwidth: DC to 10 MHz
• Ideal for EVs, inverters, PV systems, and quick charging stations
• Automatic phase correction for high-frequency and low-power factor measurements
• Wide operating temperature range: -40°C to 85°C
• Flux gate detection ensures excellent linearity and temperature stability
• Automatic sensor recognition with PW8001 analyzer for hassle-free setup
• Compatible with Power Analyzers, Memory HiCorders, oscilloscopes, and DMMs

The Hioki CT6904A Sensor is a high-precision AC/DC current sensor designed for measuring large currents in research, industrial, and EV applications. Its advanced flux gate detection ensures exceptional accuracy across DC to 4 MHz frequency ranges.

Key Features

• Measures AC/DC currents up to 500 A with high precision
• Wide frequency bandwidth: DC to 4 MHz (CT6904A), DC to 2 MHz (CT6904A-1)
• Excellent linearity: ±5 ppm
• High common-mode rejection ratio (CMRR) of 120 dB at 100 kHz
• Automatic phase correction with Hioki PW8001 for low-power factor measurements
• High noise resistance for stable readings in electrically noisy environments
• Flux gate detection ensures temperature-stable and linear measurements
• Automatic sensor recognition via PW8001 analyzer
• Suitable for EV inverters, wireless charging systems, high-frequency reactors, and transformer loss measurement