Products

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 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 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

Applications:

• Aerospace & Defense – Avionics, MIL-STD-704, EMC compliance, 400Hz & wild frequency testing
• EV Charging & V2G/V2H Testing – On-board chargers, grid-tied inverters, smart grid simulation
• Energy Storage & Renewable Systems – Home ESS, solar PV/grid-tied inverter testing
• Industrial Power Simulation – Frequency conversion, harmonic analysis, transient simulations
• Smart Grid & Compliance Testing – IEC 61000, RTCA DO-160, IEEE 1547, and more

Applications

• Aerospace & Avionics – Frequency conversion (400Hz & wild frequency testing), MIL-STD compliance
• EV Charging & Power Electronics – On-board chargers (OBC), V2G/V2H testing, battery simulation
• Renewable Energy Systems – Solar PV/grid-tied inverter testing, home ESS & smart grid simulations
• Power Supply & Industrial Testing – AC/DC power supply evaluation, network server & data center testing
• Research & Development Labs – High-frequency power testing, compliance verification, transient simulations

High-Power 4-Quadrant AC & DC Power Source with Load Option

• Powerful & Versatile: 12kVA / kW to 21kVA / kW in a 4U chassis. Parallel units up to 168kVA/kW (single cabinet)or 252kVA/kW (dual cabinet).
• Multi-Phase Flexibility: Supports single-phase, split-phase, and three-phase configurations with AC, DC, or AC+DC output.
• Grid Simulation & Compliance Testing: Emulates real-world power grid conditions, simulating disturbances, harmonics, and interharmonics for accurate renewable energy testing (solar inverters, EV charging, microgrid, and UPS applications).
• Regenerative Efficiency: Over 90% energy recovery back to the grid reduces power consumption and operational costs.
• Advanced Control & Monitoring: SmartSource Suite enables remote control via an intuitive web browser interface with LAN, USB, GPIB, and RS232 connectivity.

High-Power 4-Quadrant AC & DC Power Source

• High Power Density: Available in 30kVA/kW, 45kVA/kW, and 55kVA/kW models, with parallel cabinets scaling up to 550kVA/kW.
• Versatile Output Capability: AC, DC, or AC+DC modes in single-phase, split-phase, or three-phase configurations.
• Dual Constant Power Voltage Ranges:
  • AC Voltage: 0-240V L-N / 0-415V L-L & 0-480V L-N / 0-830V L-L
  • DC Voltage: 0-340Vdc & 0-680Vdc
• Grid Compliance Testing: Meets global standards like IEEE 1547, UL 1741, IEC 61000-3, IEC 61000-4
• Regenerative Power Efficiency: >90% energy recovery back to the grid, reducing power waste and operational costs
• PHIL Interface for Hardware-in-the-Loop (HIL) Testing: High-speed analog I/O for real-time frequency, voltage, and current control.
• SmartSource Suite for Remote Testing: Web-based real-time monitoring and control via LAN, USB, GPIB, and RS232.

Single Phase Power Meter Compatible with DC Measurement and Current/Power Integration Measurement

Key Features:

• Compatible with the SPECpower® (*1) benchmarking for server power consumption
• DC measurement mode, AC, and AC+DC measurement
• Integration function for current and power
• ±0.1% high basic accuracy (*2) For complete details, please refer to the specifications)
• Extended period of guaranteed accuracy of 3 years
• Complete accuracy over a wide input range

Single Phase Power Meter for Production and Inspection Lines

Key Features of HiTESTER 3333 Single-Phase Power Meter:

• Ideal for replacing portable instruments, ±0.1% basic accuracy
• Extended period of guaranteed accuracy of 3 years
• 50mA to 20A AC current range (300 V Max., Accuracy guaranteed up to 30 A)
• Print out with the 9442 and RS-232C interface

The AZX Series (Regenerative AC / DC Power Source) is a family of high power, single, split and three phase, AC, DC and AC+DC output capable Power Sources with full energy recovery to the AC mains when sinking power from the equipment under test. Available models range from 30 kVA to 440 kVA. Using a modern color touch screen based user interface for ease of use, the AZX Series is cost effective and fully programmable for both basic frequency conversion and advanced AC power line or DC power disturbance test applications requiring up to 1000 Hz fundamental frequency.

The energy recovery capability allows both sourcing and sinking of current and power up to 100% of rated power. Adding the Load Option (Option L) adds full electronic regenerative AC & DC Load programming capability to the AZX.