Hioki RM3548-EV-KIT Resistance Test Kit

Overview

The Hioki RM3548-EV-KIT is a high-precision, portable resistance testing kit specifically designed for the maintenance and testing of large equipment, particularly in hybrid and electric vehicle applications. The kit features the RM3548 resistance meter, which measures resistance from 3 µΩ to 3.5 MΩ with 0.02% basic accuracy. The four-terminal measurement method enables highly accurate DC resistance measurements of motors, transformer windings, and welds. The portable design allows technicians to perform field maintenance with both hands free, as the instrument can be worn around the neck using the included strap.

Key Features

• Resistance range: 3 µΩ to 3.5 MΩ with 0.1 µΩ maximum resolution
• Basic accuracy: 0.02%
• Testing current: 500 nA to 1 A DC with minimum 0.2 A for ECE compliance
• Built-in data memory: stores up to 1,000 data points by simply applying probes
• Interval measurement function for temperature-rise test data capture
• Four-terminal measurement method for high-precision DC resistance measurement
• Temperature measurement: -10.0°C to 99.9°C
• Temperature correction capability for accurate testing of temperature-dependent materials
• Portable design with included carrying strap for hands-free operation
• Battery powered: eight AA alkaline batteries for approximately 10 hours of operation
• Complies with ECE-R-100 and ECE-R136 standards for electric vehicle maintenance

Applications

• Testing and maintenance of hybrid and electric vehicle motor and transformer windings
• Measuring weld resistance in large motors and stators for EV applications
• Equipotential bonding tests in electric vehicle systems
• Weld quality control with precise resistance variation detection
• Field maintenance and production line testing of large equipment

Included Accessories

• RM3548 Portable Resistance Meter
• Clip-type leads
• Carrying strap
• Temperature measurement capability