Klein Tools ET600 Insulation Resistance Tester

The Klein Tools ET600 Insulation Resistance Tester (megohmmeter) is designed for demanding electrical diagnostic work. It measures insulation resistance up to 4000 MΩ with selectable test voltages of 125V, 250V, 500V, and 1000V DC. The ET600 also functions as a full-featured multimeter, measuring AC/DC voltage, resistance, and continuity with TRMS accuracy. Built for safety and convenience, it is rated CAT IV 600V / CAT III 1000V, making it ideal for industrial, commercial, and utility-grade applications.

Key Features:

• Insulation resistance testing up to 4000 MΩ at 125V, 250V, 500V, and 1000V DC
• Measures AC/DC voltage (up to 1000V), resistance, and continuity
• Test and lock buttons for safe and simple insulation testing
• Warning alarm and high-voltage indicator icon for added safety
• Automatic ranging TRMS technology ensures accurate readings
• Backlit display with bar graph and key function indicators (Auto-power off, Max/Min, Hold)
• Low battery alert; easy battery and fuse replacement
• Includes built-in stand and magnetic hanger for hands-free operation
• Certified to EN61557-1,-2,-4 standards
• Safety Rated CAT IV 600V and CAT III 1000V
• Includes right-angle and heavy-duty alligator clip test leads