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
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