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Slim Digital Multimeter, TRMS Auto-Ranging, 600V, Temp - Klein Tools

Part #: MM450

The Klein Tools MM450 Slim Digital Multimeter is a professional-grade tool engineered for precision electrical measurements across a range of automotive and industrial applications. This auto-ranging multimeter utilizes True Root Mean Square (TRMS) technology to deliver accurate readings for non-linear loads, crucial for modern electrical systems. Its durable construction and compact design make it an essential instrument for technicians requiring reliable performance in demanding environments.

Key Features

  • TRMS Auto-Ranging Accuracy: Provides precise True Root Mean Square (TRMS) measurements for AC voltage and current, ensuring accurate readings even with distorted waveforms.
  • Comprehensive Measurement Capabilities: Measures up to 600V AC/DC voltage, 10A AC/DC current, 50 M? resistance, continuity, temperature, capacitance, frequency, duty-cycle, and diode testing.
  • Enhanced Visibility Display: Features a high-visibility, reverse-contrast display with automatic backlight adjustment for clear readability in various lighting conditions.
  • Lead-Alert Safety Protection: Integrated LEDs provide Lead-Alert functionality, guiding correct test lead placement to prevent errors and enhance user safety.
  • Slim, Portable Design: Its slim profile allows for convenient storage and transport, fitting easily into most tool bags, pouches, or pockets for on-the-go professionals.

Applications

This versatile digital multimeter is ideal for professional technicians and mechanics working on diverse systems. It's perfectly suited for automotive diagnostics, including troubleshooting vehicle electrical circuits, battery testing, and sensor analysis. In industrial settings, the MM450 facilitates maintenance tasks such as diagnosing machinery control panels, verifying motor operation, and analyzing HVAC systems. Its robust feature set also supports general electrical installations and preventative maintenance routines, providing dependable performance for a wide array of electrical tasks.

Only 7 left in stock - order soon
List: $124.99 Save: $42.00

$82.99

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 426208
  • Shipping Weight: 1.12lbs
  • UPC: 092644693755
  • Manufacturers Part #: MM450
  • Manufactured by: Klein Tools
  • Also Known As: KLEMM450

This product was added to our catalog on Friday 15 May, 2026.

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