HIOKI E E CORPORATION

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

Hioki Digital Multimeter DT4282 is designed for professionals who demand high accuracy, reliability, and safety in every measurement.

Key Features:

• High-precision 60,000-count, 5-digit display for detailed readings.
• Exceptional ±0.025% DC voltage accuracy for laboratory-grade results.
• Wide AC voltage frequency range (20 Hz–100 kHz) for diverse applications.
• Built-in low-pass filter to eliminate high harmonic noise.
• Direct 10 A input ideal for high-current measurements.
• Dual display shows voltage and frequency simultaneously.
• Terminal shutter mechanism enhances operator safety.
• Rated CAT IV 600 V / CAT III 1000 V for secure operation in demanding environments.

The Hioki DT4261 Digital Multimeter is a professional-grade tool that enhances field analysis, safety, and efficiency. Built for electrical engineers and maintenance professionals, it combines exceptional measurement accuracy, advanced safety features, and wireless connectivity for smart data handling.

Key Features:

• True RMS measurement for accurate readings
• CAT IV 600 V / CAT III 1000 V safety rating
• Wireless connectivity with optional Z3210 adapter
• Excel® Direct Input Function for instant data transfer
• Terminal shutters prevent incorrect lead insertion
• Fuse check and automatic AC/DC voltage detection
• Harmonic measurement up to the 30th order with GENNECT Cross
• IP54 dust and water resistance
• Drop-proof design (1-meter concrete drop protection)
• Wide temperature range: -25°C to 65°C

The Hioki Earth Tester FT6031-50 is a robust, IP67-rated ground resistance tester designed for fast, precise, and reliable measurements in challenging field environments. Ideal for professional electrical maintenance and safety inspections, it ensures accurate earth resistance testing for all grounding types.

Key Features:

• IP67 dustproof and waterproof protection for outdoor use
• Wireless data transfer with optional Z3210 Adapter
• Test Class A to D grounds with a single meter
• Wide measurement range from 0 Ω to 2000 Ω
• Advanced noise resistance up to 25 V rms
• Auto power-off and digital display for efficient operation
• Easy two-pole or three-pole measurement methods
• Innovative tangle-free cable winder for quick setup and cleanup

The Hioki Earth Tester FT6041 is a highly versatile and durable ground resistance tester engineered for precision and performance in any field environment. With IP67 protection, multiple measurement methods, and wireless data transfer capability, it’s ideal for professionals handling complex grounding applications.

Key Features:

• Compatible with 2, 3, and 4-pole measurement methods
• MEC function for testing without disconnecting ground electrodes
• IP67-rated protection for harsh field environments
• Measures even on concrete using Earth Nets Module
• Fast 6-second readings with tangle-free cord rewinding
• Operates in extreme temperatures from -25°C to 65°C
• Optional Z3210 adapter enables wireless data transfer
• Excellent noise resistance with 30 V RMS ground potential tolerance

The Hioki Infrared Thermometer FT3700 / FT3701 ensures precise, contact-free temperature measurement for industrial and HVAC applications.

Key Features:

• Non-contact temperature measurement from -60°C to 760°C.
• Two-beam laser marker for pinpoint accuracy.
• Pistol-grip design with backlit LCD for easy viewing.
• Fast 1-second response time for quick readings.
• Adjustable emissivity (0.10–1.00) for accurate results on various surfaces.
• Continuous, MAX/MIN/AVG modes for data consistency.
• Automatic power-off to conserve battery life.
• Ideal for hazardous, moving, or unreachable locations.

The Hioki IR5050 High Voltage Insulation Tester delivers precise and reliable insulation resistance testing up to 5 kV and 10 TΩ. Designed for professionals, it offers advanced diagnostics, wireless connectivity, and rugged durability — making it ideal for industrial maintenance and electrical testing.

Key Features:

• Measures insulation resistance up to 10 TΩ
• Test voltages from 250 V to 5000 V DC
• Calculates and displays PI, DAR, and DD diagnostics automatically
• Supports both wireless (Bluetooth) and USB data transfer
• Compact, lightweight design with IP65-rated carrying case
• Step and ramp voltage testing for advanced insulation analysis
• CAT IV and CAT III safety ratings for enhanced protection
• Compatible with GENNECT Cross app for real-time reporting

Key Features:

• Safely measure solar PV insulation resistance while generating power
• CAT III 2000 V and CAT IV 1000 V safety rating for reliable high-voltage testing
• 5 kV test voltage and 10 TΩ insulation resistance range
• Specialized PV insulation measurement mode compliant with IEC 62446-1
• Automatically calculates and displays PI, DAR, and DD diagnostics
• Flexible voltage adjustment from 250 V to 5000 V
• Data memory with wireless and USB connectivity options
• Compact, lightweight design with IP65-rated carrying case for durability

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

Key Features:

• Industry-leading precision for OCV and AC-IR testing of EV battery cells
• Ultra-high resolution for advanced cell grading (down to 0.01 µΩ)
• Fast testing speeds with excellent reproducibility
• MIR mode enables parallel testing without interference
• Channel-specific correction and multiplexer support
• Reliable long-term system operation with route resistance monitoring
• Easy integration with existing systems (BT3562A command compatibility)
• Compact, lightweight design for lab or production lines

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 Voltage Detector 3481 is a compact, non-contact voltage detection tool built for ultimate safety and convenience.

Key Features:

• Detects AC voltage from 40 V to 600 V without direct contact.
• LED light and buzzer indicate voltage presence clearly.
• Compact, pen-style design with a convenient pocket clip.
• CAT IV 600 V safety rating for reliable professional use.
• Adjustable sensitivity (40 V–80 V AC) for various environments.
• Built-in battery check and auto power-off prevent downtime.
• Ideal for use in dimly lit or confined spaces with integrated work light.