Klein Tools ET600 insulation resistance test at 125V for reliable checks.
Klein Tools ET600 insulation resistance test at 250V for accurate evaluation.
Klein Tools ET600 insulation resistance test at 500V for higher voltage assessments.
Klein Tools ET600 insulation resistance test at 1000V for demanding environments.
Klein Tools ET600 TRMS display showing precise readings.
Klein Tools ET600 lock button for secure, steady measurements.
Klein Tools ET600 built‑in stand enabling hands‑free operation.
Klein Tools ET600 backlit display for easy viewing in dim spaces.
Klein Tools ET600 low battery indicator signaling power needs.

KLEIN TOOLS

Klein Tools ET600 Multimeter & Megohmmeter — Insulation Test up to 4000 MΩ, 1000 V

High-performance tools and home improvement made for confident daily results

$264.47

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Why customers choose TaskHolt Tools

Overview

The Klein Tools ET600 is a compact, multi‑function tester that blends insulation resistance testing with precise voltage measurements. Built for professional electricians and technicians, it helps translate complex electrical conditions into clear, actionable readings. With Klein Tools’ six‑generation heritage behind it, this instrument emphasizes durability, practical usability, and consistent performance in the field.

Core capabilities

  • Insulation resistance testing up to 4000 MΩ at 125V, 250V, 500V, and 1000V DC for thorough checks
  • Simple testing with dedicated test and lock buttons for efficient diagnostics
  • Voltage detection with a warning alarm and high voltage icon to enhance awareness
  • Multiple measurements including up to 1000V AC/DC, resistance, and continuity for versatile use
  • Automatic ranging True RMS technology for accurate results across varying signals
  • User‑friendly features: backlit display with a bar graph; Auto‑power off, Max/Min, and Hold modes
  • Battery indicator and a replaceable battery and fuse to support reliable maintenance

In the field

In cramped panels or behind equipment, the ET600 provides insulation checks while you monitor voltage levels. It supports quick verifications on wiring harnesses after service and helps identify insulation concerns during routine maintenance. The device’s readings can be compared over time to spot trends without implying guarantees.

Ease of use and durability

  • Backlit display makes readings legible in dim rooms or behind panels
  • Lock function and built‑in stand enable hands‑free operation for steady measurements
  • Auto‑ranging TRMS reduces manual range changes for faster work

Heritage and support

For more than 160 years, Klein Tools has delivered premium, professional‑grade hand tools designed for the realities of daily use. The ET600 embodies that commitment with durable construction, thoughtful features, and ongoing refinements to serve demanding professionals on the job.

FAQ

Q: What does the Klein Tools ET600 measure?

A: It measures insulation resistance up to 4000 MΩ at 125–1000 V, plus AC/DC voltages up to 1000 V, with TRMS accuracy.

Q: Is the ET600 suitable for field use?

A: Yes. It features auto-ranging TRMS, a backlit display, test/lock controls, a built‑in stand, and clear readings in challenging environments.

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