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

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