HIOKI E E CORPORATION

The Hioki CT7736 AC/DC Auto-Zero Current Sensor provides accurate current monitoring up to 600 A in AC and DC applications. Designed to pair with the detachable Display Unit CM7290/CM7291, it ensures stable long-term measurements even in extreme temperatures. Ideal for field inspections, laboratory testing, and integration with data loggers or Memory HiCorders.

Key Features

• Measures AC/DC currents up to 600 A
• Auto-zero adjustment for stable long-term readings
• Detachable Display Unit for convenient field use
• Four output modes: WAVE, RMS, PEAK, FREQ
• Wide operating temperature: -25°C to 65°C
• Bluetooth connectivity with CM7291 via GENNECT Cross app
• Core diameter: 33 mm (1.30 in)
• CAT IV 600 V safety rating
• Compatible with Memory HiCorders and Data Loggers via CM7290/CM7291

The CT9555 Sensor Unit is a single-channel power adapter and waveform output interface designed for Hioki high-precision current sensors and probes, including the CT684x, CT686x, and 9709 series. It delivers reliable waveform output for accurate current measurements across AC and DC circuits.

Key Features

• Single-channel power supply for high-precision current sensors
• Compatible with CT684x, CT686x, and 9709 series sensors and probes
• Provides waveform output for accurate AC/DC current measurement
• BNC terminal output with 2 V full-scale voltage and 50 Ω output resistance
• Compact and lightweight design (33 × 67 × 132 mm, 200 g)
• Operates in a wide temperature range: -10°C to 50°C
• AC Adapter Z1008 (100–240 V AC) or external DC 10–30 V supply
• ME15W connector ensures easy sensor integration

The CT9556 Sensor Unit is a high-precision, single-channel sensor unit and power adapter designed for Hioki current sensors and probes, including the CT684x, CT686x, and 9709 series. It delivers accurate waveform and RMS output, enabling precise measurement of AC and DC currents.

Key Features

• Single-channel sensor unit and power supply for high-precision current sensors
• Supports CT684x, CT686x, and 9709 series current sensors and probes
• Provides waveform output and RMS output functionality
• Enables AC current measurement even with loggers lacking RMS conversion
• Compatible with Hioki Power Meters, Memory HiCorders, and data loggers
• ME15W connector for seamless integration

The CT9557 Sensor Unit is a high-precision 4-channel device designed to work with Hioki current sensors and probes, including the CT684x and CT686x series. It enables accurate measurement of large currents in multi-cable circuits by aggregating sensor outputs into a single waveform or RMS signal, simplifying complex testing setups.

Key Features

• Aggregates signals from multiple sensors for total current measurement
• Supports CT684x, CT686x, and 9709 series current sensors
• Outputs a single waveform or RMS value from combined sensor signals
• High-precision power supply for waveform-enabled sensors
• Ideal for multi-cable circuits and high-current applications
• Compatible with Hioki Power Meters, Memory HiCorders, and oscilloscopes

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

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)

The PW9100A AC/DC Current Box is a high-precision, direct-coupled current measurement device designed for use with Hioki Power Analyzers. Optimized for testing inverters, EVs, hybrid systems, and renewable energy equipment, it supports multi-channel measurements with unparalleled accuracy and wide bandwidth.

Key Features

• Direct AC/DC measurement up to 50 A
• Wide frequency bandwidth: DC to 3.5 MHz
• Exceptional power accuracy: ±0.055% with PW8001 (with U7005)
• Full-rack design for easy bench integration
• Supports 3- or 4-channel measurement options
• Automatic current sensor detection with PW8001
• High common-mode rejection: 120 dB at 100 kHz
• Ideal for high-precision motor, inverter, and EV testing

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