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

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

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

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

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

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

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)

Key Features:

• Measure even harmonic waveform components using the True RMS method
  
• Expanded -25°C to 65°C operating temperature range
  
• Connect the CT6280 flexible sensor to measure up to 4199 A in thick or paired wires
  
• Drop proof design withstands drop from a height of 1 meter

• CAT IV 600 V, CAT III 1000 V
  When using P2000: CAT III 2000 V, CAT IV 1000 V
  
• Easily get into tight spaces between cables thanks to thin sensor with a minimum cross-section span of 11 mm
  
• Measure up to 2000 A AC
  
• AC A, AC and DC V, DC+AC V, resistance, frequency, and more
• Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file (*1)
• Harmonic analysis from 1st to 30th order with GENNECT Cross (*1)

• Measure the fundamental waveform component using the average rectified method
• Expanded -25 °C to 65 °C operating temperature range
• Connect the CT6280 flexible sensor to measure up to 4199 A in thick or paired wires
• Drop proof design withstands drop from a height of 1 meter

3-Range, 250 to 1000V Analog Insulation Tester with Continuity Check