Triplett MG500 Insulation Resistance Tester

Overview

The Triplett MG500 Insulation Resistance Tester is a multi-function electrical testing instrument designed for preventive maintenance and diagnostics of electrical systems. It measures insulation resistance up to 200 gigohm and provides comprehensive testing capabilities for motors, switchgear, power tools, appliances, cables, and other electrical equipment. The CAT IV 600V safety rating ensures reliable performance in demanding industrial environments.

Key Features

• Five test voltages: 50V, 100V, 250V, 500V, and 1000V
• Polarization Index (PI) and Dielectric Absorption Rate (DAR) measurements
• Leakage current measurement capability
• Timed test function with 1 to 10 minute durations in 1 minute increments
• Lock Power feature for hands-free operation
• Comparison (pass/fail) mode for rapid assessment
• Multiple measurement modes: AC/DC Voltage, Resistance, Capacitance, Frequency, and Continuity
• Backlit 6000 count display with bargraph
• Data Hold and auto power off
• Store/Recall 99 measurement groups
• Live circuit voltage indicator and low voltage warning
• CAT IV 600V rated for safe use on high-energy circuits
• ETL Listed

Applications

• Preventive maintenance of motors, switchgear, and electrical distribution systems
• Testing power tools and portable electrical equipment
• Cable and insulation integrity verification
• Appliance and equipment diagnostic testing

Included Accessories

• Test leads
• Test probes
• Alligator clips
• Six AA batteries
• Carrying case