Meters

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 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 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

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