HIOKI E E CORPORATION

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

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

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

The Hioki CT6904A-2 Sensor is a high-precision AC/DC current sensor designed for large current measurement in R&D, EV, and industrial applications. Its advanced flux gate detection ensures outstanding accuracy across DC to 4 MHz frequency ranges.

Key Features

• Rated for 800 A (rms) to measure large currents
• Wide frequency bandwidth: DC to 4 MHz (CT6904A-2), DC to 2 MHz (CT6904A-3)
• High common-mode rejection ratio (CMRR) of 120 dB at 100 kHz
• Automatic phase correction with Hioki PW8001 for low-power factor measurements
• Flux gate detection for high linearity and temperature stability
• High noise resistance for accurate readings in electrically noisy environments
• Automatic sensor recognition via PW8001 analyzer
• Ideal for EV inverter motors, wireless charging systems, high-frequency reactors, and transformer loss measurement

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 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

Key Features:

• Fastest insulation tester in the industry with results in as little as 50 ms
• Wide test voltage range: 25 V to 1000 V with 1 V resolution
• Quick residual voltage discharge for faster takt times
• Contact check function prevents false readings from poor connections
• Short-circuit check detects micro-shorts before testing
• Built-in LAN and RS-232C for system integration
• Compact, lightweight design ideal for battery and production line testing
• Models available: ST5520 (I/O output) and ST5520-01 (BCD output)

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 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

The AC Automatic Insulation and Withstanding HiTester 3174 is a cost effective solution for reliable insulation resistance and AC withstand voltage testing. Designed with contact check functionality and a stabilized power supply, it ensures accurate results while improving safety and test repeatability in production and inspection environments.

Key Features

• Performs insulation resistance testing at 500 V and 1000 V DC
• Supports AC withstand voltage testing up to 5 kV
• Contact check function improves operator safety and test reliability
• Continuous testing with a 100 VA transformer capacity
• Saves up to 8 test conditions for insulation and withstand tests
• Stable PWM based voltage generation independent of power fluctuations
• Compatible with Safety Test Data Management Software for remote operation

The Hioki IM3523A LCR Meter is a high-speed, reliable measurement instrument designed for production lines, providing precision and efficiency at a competitive price point. Its contact check function ensures improved measurement reliability for consistent results.

Key Features

• Measurement accuracy: ±0.05% across DC to 200 kHz
• Rapid 2 millisecond test speed
• Wide measurement range: 5 mV to 5 V, 10 μA to 50 mA
• Continuous testing under mixed conditions (C-D 120 Hz, ESR 100 kHz)
• Built-in comparator and BIN classification functions
• Contact check for enhanced measurement reliability
• Multiple measurement parameters: Z, Y, θ, X, G, B, Q, Rdc, Rs, Rp, Ls, Lp, Cs, Cp, D (tanδ)
• Interfaces: USB, LAN, EXT I/O for automation