A direct front studio shot of the Klein Tools ET600 multi-function megohmmeter and insulation resistance tester. The device features a large backlit LCD with a digital readout and analog bar graph, a professional rotary dial for selecting test voltages up to 1000V DC, and dedicated buttons for continuous lock and insulation testing.
A product infographic for the Klein Tools ET600 highlighting its insulation resistance testing capabilities up to 4000MΩ. Text callouts specify selectable test voltages of 125V, 250V, 500V, and 1000V DC, alongside technical icons for CAT IV 600V and CAT III 1000V safety ratings.
A close-up view of the ET600's dual-function backlit LCD screen. The high-contrast display is shown active, providing a clear readout of 2534 MΩ insulation resistance and 1073V DC test voltage, emphasizing the tool's precision in low-light industrial environments.
An action shot of the ET600 megohmmeter being used in a hands-free application. The device is supported by its integrated heavy-duty kickstand on a concrete surface, allowing a technician wearing safety gloves to monitor insulation resistance readings while managing the test leads.
A technical marketing graphic listing the contents of the ET600 insulation resistance tester kit. The image identifies the inclusion of the owner's manual, a protective carrying case, right-angle test leads, heavy-duty alligator clip leads, and six AA batteries.
A studio kit shot of the Klein Tools ET600 system. The professional diagnostic package includes the digital megohmmeter, a set of red and black safety-rated test leads, heavy-duty alligator clips, six AA alkaline batteries, and a zippered black and orange storage case.
A detailed front view of the ET600 tester with the rotary dial set to the 1kV insulation test position. The interface highlights the various diagnostic functions, including True RMS AC/DC voltage measurement, continuity, and resistance testing modes.
A back view of the Klein Tools ET600 highlighting the rugged industrial polymer housing. The image showcases the printed safety warnings in English and French, the secure battery compartment cover, and the attachment point for an optional magnetic hanger.
An angled perspective shot of the ET600 digital multimeter and megohmmeter with the integrated stand deployed. The ergonomic design and textured side grips are emphasized, showcasing the tool's professional build quality for field diagnostics.
A close-up view of the heavy-duty alligator clip test leads included with the ET600. The professional-grade red and black leads feature right-angle safety connectors and large, insulated clips designed for secure attachment to motor terminals and electrical busbars.
Detailed view of the Klein Tools right-angle test leads bundled together. These high-quality red and black silicone leads feature shrouded safety plugs and sharp stainless steel tips, rated for use in CAT III and CAT IV electrical environments.
Action shot showing a technician holding the ET600 megohmmeter while diagnosing a large copper conductor in an industrial panel. The meter displays a real-time insulation resistance value of 2534 MΩ, demonstrating the tool's high-sensitivity sensing capabilities.
A ground-level application shot of the ET600 tester standing on its kickstand during a field test. The image illustrates the ease of viewing the backlit display from an angle while the technician performs electrical maintenance in a mechanical room.
A professional application shot showing the ET600 megohmmeter suspended by a magnetic hanger inside a heavy-duty electrical cabinet. The meter is shown connected to thick gauge industrial wiring, monitoring a test voltage of 1073V DC.
An action shot of a technician wearing high-voltage safety gloves using the ET600 test probe on an industrial busbar. The meter is displaying a resistance reading of 4000 MΩ, proving the maximum range of the insulation resistance testing function.
Klein Tools' Insulation Resistance Tester ET600 promotional how to video
A direct front studio shot of the Klein Tools ET600 multi-function megohmmeter and insulation resistance tester. The device features a large backlit LCD with a digital readout and analog bar graph, a professional rotary dial for selecting test voltages up to 1000V DC, and dedicated buttons for continuous lock and insulation testing.
A product infographic for the Klein Tools ET600 highlighting its insulation resistance testing capabilities up to 4000MΩ. Text callouts specify selectable test voltages of 125V, 250V, 500V, and 1000V DC, alongside technical icons for CAT IV 600V and CAT III 1000V safety ratings.
A close-up view of the ET600's dual-function backlit LCD screen. The high-contrast display is shown active, providing a clear readout of 2534 MΩ insulation resistance and 1073V DC test voltage, emphasizing the tool's precision in low-light industrial environments.
An action shot of the ET600 megohmmeter being used in a hands-free application. The device is supported by its integrated heavy-duty kickstand on a concrete surface, allowing a technician wearing safety gloves to monitor insulation resistance readings while managing the test leads.
A technical marketing graphic listing the contents of the ET600 insulation resistance tester kit. The image identifies the inclusion of the owner's manual, a protective carrying case, right-angle test leads, heavy-duty alligator clip leads, and six AA batteries.
A studio kit shot of the Klein Tools ET600 system. The professional diagnostic package includes the digital megohmmeter, a set of red and black safety-rated test leads, heavy-duty alligator clips, six AA alkaline batteries, and a zippered black and orange storage case.
A detailed front view of the ET600 tester with the rotary dial set to the 1kV insulation test position. The interface highlights the various diagnostic functions, including True RMS AC/DC voltage measurement, continuity, and resistance testing modes.
A back view of the Klein Tools ET600 highlighting the rugged industrial polymer housing. The image showcases the printed safety warnings in English and French, the secure battery compartment cover, and the attachment point for an optional magnetic hanger.
An angled perspective shot of the ET600 digital multimeter and megohmmeter with the integrated stand deployed. The ergonomic design and textured side grips are emphasized, showcasing the tool's professional build quality for field diagnostics.
A close-up view of the heavy-duty alligator clip test leads included with the ET600. The professional-grade red and black leads feature right-angle safety connectors and large, insulated clips designed for secure attachment to motor terminals and electrical busbars.
Detailed view of the Klein Tools right-angle test leads bundled together. These high-quality red and black silicone leads feature shrouded safety plugs and sharp stainless steel tips, rated for use in CAT III and CAT IV electrical environments.
Action shot showing a technician holding the ET600 megohmmeter while diagnosing a large copper conductor in an industrial panel. The meter displays a real-time insulation resistance value of 2534 MΩ, demonstrating the tool's high-sensitivity sensing capabilities.
A ground-level application shot of the ET600 tester standing on its kickstand during a field test. The image illustrates the ease of viewing the backlit display from an angle while the technician performs electrical maintenance in a mechanical room.
A professional application shot showing the ET600 megohmmeter suspended by a magnetic hanger inside a heavy-duty electrical cabinet. The meter is shown connected to thick gauge industrial wiring, monitoring a test voltage of 1073V DC.
An action shot of a technician wearing high-voltage safety gloves using the ET600 test probe on an industrial busbar. The meter is displaying a resistance reading of 4000 MΩ, proving the maximum range of the insulation resistance testing function.
Klein Tools' Insulation Resistance Tester ET600 promotional how to video
KLEIN TOOLS

Klein Tools ET600 Multi-Function Megohmmeter Insulation Resistance Tester 125V to 1000V DC True RMS AC DC Voltage Continuity with Alligator Clip Leads

In stock
SKU: ET600
$199.97

Description

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Industrial Precision Diagnostics: The Klein Tools ET600 High-Voltage Megohmmeter

The Klein Tools ET600 is a professional-grade multi-function Megohmmeter designed for rigorous installation, troubleshooting, and preventive maintenance of electrical systems. Engineered to ensure safety and equipment longevity, the ET600 is capable of producing four selectable test voltages—125V, 250V, 500V, and 1000V—allowing for precise insulation resistance measurements up to 4000MΩ. Beyond its specialized insulation testing, this versatile meter functions as a high-accuracy digital multimeter, measuring AC/DC voltages up to 1000V using automatic ranging True RMS (TRMS) technology. Whether you are testing motor windings, certifying new wire runs, or performing routine maintenance on industrial panels, the ET600 provides the laboratory-grade accuracy needed to identify potential hazards before they lead to costly system failures.

Built for the professional electrician, the ET600 features an intuitive interface with a dedicated lock button for simplified long-duration insulation testing and a built-in kickstand for hands-free operation in the field. The high-contrast, 4000-count backlit LCD features an integrated bar graph and specialized icons for High Voltage and Max/Min data logging, ensuring clear visibility in dark electrical rooms. Safety is a core component of its design, featuring a warning alarm for live voltage detection and top-tier safety ratings of CAT IV 600V and CAT III 1000V. Encased in a rugged industrial housing, this tester is built to survive the demands of the jobsite while delivering the critical data required for electrical safety compliance.

Key Features

  • Multi-Voltage Insulation Testing: Selectable DC test voltages of 125V, 250V, 500V, and 1000V for comprehensive resistance analysis.
  • High Resistance Range: Accurately measures insulation resistance up to 4000MΩ to ensure circuit integrity.
  • True RMS Accuracy: Automatic ranging TRMS technology provides increased precision when measuring AC/DC voltages up to 1000V.
  • Diagnostic Feedback: Features a 4000-count backlit display with bar graph, Max/Min, Data Hold, and high-voltage visual icons.
  • User Protection: Integrated warning alarm and high-voltage icon alerts the user to the presence of live voltage.
  • Professional Safety Ratings: Certified CAT IV 600V and CAT III 1000V for high-demand industrial environments.

What's Included

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

Specifications

Tester Type Insulation Resistance Megohmmeter
Insulation Test Voltages 125V, 250V, 500V, 1000V DC
Voltage Measurement Up to 1000V AC/DC (True RMS)
Safety Rating CAT IV 600V / CAT III 1000V
Display 4000 Count Backlit LCD with Bar Graph
Max Resistance (Ohms) 400kΩ (Multimeter Mode)
Max Insulation Resistance 4000MΩ
Power Source 6 x AA Alkaline (Included)
Overall Length 7.93 in.
Overall Width 3.59 in.
Overall Height 2.32 in.
Weight 22.4 oz.
UPC 092644692420

Pro-Tip: Before starting an insulation resistance test with the ET600, always ensure the circuit is completely de-energized. Use the meter's built-in AC/DC voltage function to verify the circuit is dead before switching to the Megohmmeter mode. Additionally, discharging the system after the test is vital, as insulation tests can leave a residual capacitive charge on the equipment.