Products

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

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

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

The EME Guard Plus is a lightweight and robust personal protection monitor designed to ensure the safety of workers operating near electromagnetic field (EMF) emitters such as antennas, radars, and base stations. With a frequency range of 1 MHz to 40 GHz, this device continuously monitors and records EMF exposure levels while providing immediate audio, visual, and vibrating alerts when exposure exceeds predefined safety thresholds. Customizable alarm settings and a triaxial isotropic probe ensure accurate and reliable measurements.

The EME Guard XS Radar is a state-of-the-art RF safety monitor, specifically designed for workers operating near radar transmitters and antennas. With its isotropic tri-axis E-field sensors, this compact device provides continuous EMF monitoring over a frequency range of 1 MHz to 40 GHz, including short pulsed signal detection. Equipped with audio and visual alarms, it alerts users instantly when EMF exposure exceeds predefined safety thresholds, creating a safer working environment for military, aviation, and telecom personnel.

Solutions For:

•  Accurate measurement with tri-axis sensors
• Instant audio and visual alarm
• Robust, reliable and user-friendly
• Covers 5G / 6G bands, measuring up to 71 GHz

User profile:

• Persons working near antennas including installation and maintenance workers, broadcast, PMR and mobile phone operators or regulatory body employees

Measurement capabilities:

• Continuous monitoring of Electromagnetic Field levels with isotropic tri-axis E-field sensors
• EMF Level indicated by a LED color scale
• Audio and visual alarms triggered when EMF exceeds the reference level

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