Extech MG300-MTK Motor and Drive Troubleshooting Kit Designed Kit includes 3 compact tools that are indispensable at a customer site: MG300 13 Function, Wireless, True RMS Multimeter/Insulation Tester with 1000V test voltage and 4000Mrange 480403 Motor Rotation and 3-Phase Tester checks phase sequence and indicates rotation direction of the motor MA430T 400A True RMS AC Clamp Meter with built-in non-contact voltage detector and ideal for noisy or non-sinusoidal AC measurement