Test and Measurement Products

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HIOKI E E CORPORATION Data Logger LR8101, LR8102
The Data Logger LR8102 is a modular data acquisition system ideal for high-voltage and embedded applications. Designed for EV battery testing, PV inverter evaluation, and energy-efficient system analysis, it allows users to build the exact measurement system needed with flexible modules.

Key Features
- Modular design to expand channels as required
- Supports real-time high-speed data transfer (LR8102)
- Synchronize multiple loggers for large-scale measurements (LR8102)
- High-precision measurements for voltage, current, and temperature
- Ideal for battery charge/discharge testing and PV inverter production
- Compatible with power measurement modules (M7103) and voltage/temperature modules (M7100, M7102)
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HIOKI E E CORPORATION Hioki CM3289 Clamp Meter USD $ 165.27
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
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HIOKI E E CORPORATION Hioki CM4371-50 Clamp Meter USD $ 349.47
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
Select options This product has multiple variants. The options may be chosen on the product page
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HIOKI E E CORPORATION Hioki CM4373-90 Clamp Meter USD $ 401.16
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
Select options This product has multiple variants. The options may be chosen on the product page
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HIOKI E E CORPORATION Hioki CM4375-90 Clamp Meter USD $ 401.16
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
Select options This product has multiple variants. The options may be chosen on the product page
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HIOKI E E CORPORATION Hioki M7103 Module
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
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HIOKI E E CORPORATION Hioki PQ3198 Analyzer
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
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HIOKI E E CORPORATION Hioki VT1005 Divider
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
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HIOKI E E CORPORATION Hioki-PW4001-Analyzer
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
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HIOKI E E CORPORATION LR8432 Heat Flow Logger
The Hioki LR8432 Heat Flow Logger is a compact, lightweight, 10-channel data logger designed to visualize heat flow and analyze the root causes of temperature change. It supports accurate heat energy measurement for thermal performance evaluation in automotive, construction, and R&D environments.

Key Features
- Measures heat flow using dedicated heat flow sensors
- Records temperature and voltage simultaneously
- Ten fully isolated analog input channels for stable measurements
- Fast 10 ms sampling across all channels
- Simultaneous recording of raw and calculated waveforms
- Supports heat transmission coefficient calculations
- Dual gauge display for easy comparison of heat flow and temperature
- Data recording to USB flash drive or CompactFlash card
- Ideal for insulation evaluation and thermal performance analysis
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HIOKI E E CORPORATION LR8512 Pulse Logger
The Hioki LR8512 Wireless Pulse Logger is a compact, 2-channel device designed for pulse integration and RPM measurement. It’s ideal for monitoring vehicle speed, flow rates, and other ON/OFF signal applications, providing real-time data collection and wireless convenience.

Key Features
- Measures pulse totalization, logical ON/OFF signals, and revolutions
- Compact, 2-channel design for tight installation spaces
- Bluetooth® wireless connectivity for tablet or PC data download
- Three-way power: AC adapter, AA batteries, or external 5–13.5 V supply
- Stores up to 500,000 data points per channel
- Real-time monitoring with waveform and numerical trend display
- Optional magnetic strap for wall or equipment mounting
- Ideal for automotive, air conditioning, cogeneration, and fluid flow measurement
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HIOKI E E CORPORATION LR8512 Wireless Pulse Logger
The Hioki LR8512 Wireless Pulse Logger is a compact, two-channel solution designed for pulse integration and RPM measurement in flow and speed applications. With Bluetooth connectivity and long battery life, it enables easy data collection in locations where wiring is difficult or unsafe.

Key Features
- Measures pulse signals for flow rate and rotational speed analysis
- Ideal for pulse integration and RPM measurement applications
- Two-channel compact design for flexible installation
- Wireless Bluetooth data transfer to smartphone, tablet, or PC
- Real-time and historical waveform viewing capability
- Large internal memory storing up to 500,000 data points per channel
- Long battery operation up to 14 days with AA batteries
- Optional magnetic mounting for easy placement anywhere
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HIOKI E E CORPORATION LR8513 Clamp Logger
The Hioki LR8513 Wireless Clamp Logger is a compact, 2-channel device designed for accurate, wireless measurement of AC/DC load currents and AC leakage currents. It’s ideal for industrial, automotive, and PV system maintenance applications where real-time monitoring and safety are essential.

Key Features
- Measures AC/DC load current and AC leakage current
- Supports a wide variety of current sensors
- Safe measurement inside distribution panels with closed covers
- Simple power calculations using voltage and power factor
- Compact, 2-channel design for tight spaces
- Bluetooth® wireless connectivity for tablet or PC data download
- Three-way power: AC adapter, AA batteries, or external 5–13.5 V supply
- Stores up to 500,000 data points per channel
- Real-time waveform monitoring and historical data review
- Optional magnetic strap for flexible installation
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HIOKI E E CORPORATION LR8513 Wireless Clamp Logger
The Hioki LR8513 Wireless Clamp Logger is a compact, two-channel current logging solution designed for easy measurement of AC and DC load current as well as AC leakage current. With Bluetooth connectivity and flexible sensor options, it enables safe, efficient monitoring inside distribution panels and hard-to-access locations.

Key Features
- Measures AC and DC load current and AC leakage current
- Supports a wide range of compatible clamp current sensors
- Wireless Bluetooth data transfer to smartphone, tablet, or PC
- Compact two-channel design fits inside tight electrical panels
- Enables power measurement by setting voltage and power factor
- Large internal memory storing up to 500,000 data points per channel
- Multiple power options including AA batteries, AC adapter, or external supply
- Ideal for electrical maintenance, PV systems, and equipment testing
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HIOKI E E CORPORATION LR8514 Humidity Logger
The Hioki LR8514 Wireless Humidity Logger is a compact and reliable device for monitoring environmental conditions in production plants, agricultural sites, and storage facilities. It enables easy, wireless data collection of temperature and humidity for two locations simultaneously, ensuring precise control over critical environments.

Key Features
- High-precision humidity measurement (±3% RH)
- Records temperature and humidity simultaneously at two locations
- Compact 2-channel design fits in tight spaces
- Bluetooth® wireless connectivity for PC and tablet data download
- Supports AC adapter, AA batteries, or 5–13.5 V external power supply
- Store up to 500,000 data points per channel
- Ideal for factories, storage, construction sites, and agricultural monitoring
- Real-time waveform review and trend analysis
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HIOKI E E CORPORATION LR8514 Wireless Humidity Logger
The Hioki LR8514 Wireless Humidity Logger is a compact, two-channel solution designed for accurate temperature and humidity monitoring across industrial, agricultural, and storage environments. With Bluetooth connectivity and long battery life, it enables seamless data collection without complex wiring.

Key Features
- High-precision humidity measurement with ±3% RH accuracy
- Simultaneous temperature and humidity logging at two locations
- Wireless data transfer to smartphone or PC via Bluetooth
- Compact, space-saving design for tight or enclosed installations
- Large internal memory storing up to 500,000 data points per channel
- Flexible power options including AA batteries, AC adapter, or external power
- Ideal for factories, construction sites, storage facilities, and agriculture
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