Klein Tools Megohmmeter ET600 Insulation Resistance Tester 1000V True RMS Multimeter (4000M Ohm Selectable DC Test Voltages Alligator Clip Leads)

Verify Winding Insulation Integrity And Identify High Resistance Insulation Breakdown Instantly With Multi Voltage Megohmmeter Diagnostics

The Klein Tools ET600 is a solid-state multi-function megohmmeter engineered for evaluating structural insulation resistance up to 4000MΩ across industrial electrical machinery components. This diagnostic instrument produces four selectable test potentials including 125V, 250V, 500V, and 1000V DC while doubling as a True RMS automatic ranging multimeter for line drops up to 1000V AC/DC. Operating under a certified CAT III 1000V safety profile, the device incorporates a dedicated continuous lock button for long-duration testing, a 4000-count backlit LCD bar graph display, and automated live voltage warning alarms to identify phase failures before system breakdowns occur.

Best Used For:

• Motor Winding Evaluations: Injecting high-potential DC testing streams into industrial motor coils, compressors, and generator windings to track dielectric breakdown paths.
• Wire Run Certifications: Mapping insulation resistance properties across newly pulled building distribution wire strands inside metal conduit arrays.
• Industrial Panel Maintenance: Sweeping main supply buses, switchgears, and heavy distribution transformers for active current leakage during preventive electrical safety audits.

Key Performance & Safety Features

• Selectable Multi-Voltage Output: Generates distinct DC testing potentials at 125V, 250V, 500V, and 1000V benchmarks to accommodate various equipment isolation tiers.
• True RMS Multimeter Mode: Integrates auto-ranging TRMS diagnostic metrics to clear waveform distortion anomalies during up to 1000V AC/DC line checks.
• Continuous Lock Automation: Dedicated lock toggle preserves constant active voltage generation to streamline long-duration dielectric tracking tests.
• High-Contrast Display Telemetry: Backlit 4000-count screen populates simultaneous analog bar graphs, min/max logging matrices, and active high-voltage alerts.
• Automated Hazard Protection: Live voltage tracking circuitry monitors testing nodes and sounds audible alarms if an active energized branch line is hooked.
• Dual Certified Safety Profile: Built to strict CAT IV 600V and CAT III 1000V commercial classification levels to protect field mechanics on major service panels.

What's Included

• ET600 Multi-Function Megohmmeter Insulation Tester
• Set of Right-Angle CAT III/CAT IV Safety Rated Test Leads
• Set of Heavy-Duty Alligator Clip Test Leads
• Six AA Alkaline Batteries
• Custom Carrying Case
• Instruction Manual

Technical Specifications

Pro-Tip: When running high resistance sweeps on massive industrial motor frames, discharge the residual capacitive storage loop fully before releasing the clip jaws; this ensures circuit normalization and safeguards the logic tracking elements against back-emf strain.