The Hioki RM3548 EV KIT EV Resistance Test Kit is ideal for the testing and maintenance of large equipment, for example, measuring the winding and weld resistances in large motors and stators for hybrid and electric vehicles. The RM3548 is a high-precision, portable resistance meter capable of measuring resistance levels from 3 microohms (with 0.1 microohm resolution) to 3 megaohms (with 100 ohm resolution). This resistance tester features a portable design that’s easy to use when performing maintenance work in the field. Wear the instrument over the neck with the included strap, leaving both hands free to hold the clip-type leads while making measurements.

The RM3548 employs the four-terminal method to highly accurately measure the DC resistance of measurement targets including motor and transformer windings, and welding, PC board patterns, fuses, resistors, and materials such as conductive rubber. The instrument allows temperature correction and so is especially suitable for measurement targets whose resistance values change with temperature.

The RM3548 stands out as the perfect resistance meter for technicians performing equipotential tests on electric vehicles. This meter complies with the ECE-R-100 and ECE-R136 standards, meeting measurement current requirements of at least 0.2 A. Its measurement current ranges from 500 nA to 1 A, ensuring accurate and reliable readings. The instrument can be powered by eight AA alkaline batteries for about 10 hours of measurement. (Operating time varies with measurement conditions.)