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Klein Tools - 600V 10A Acdc Autorange Trms Temp Mmeter | A-MM420

600V 10A AC/DC AUTORANGE TRMS TEMP MULTIMETER | A-MM420 The Klein Tools MM420 Digital Multimeter is a professional-grade auto-ranging True RMS meter designed for advanced electrical troubleshooting and maintenance applications. It measures AC/DC voltage up to 600V, AC/DC... Read More
Vendor: Klein Tools
SKU: A-MM420
Product type: Multimeters
$93.33
$93.33
Subtotal: $93.33

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600V 10A AC/DC AUTORANGE TRMS TEMP MULTIMETER | A-MM420

The Klein Tools MM420 Digital Multimeter is a professional-grade auto-ranging True RMS meter designed for advanced electrical troubleshooting and maintenance applications. It measures AC/DC voltage up to 600V, AC/DC current up to 10A, resistance, capacitance, frequency, duty cycle and temperature. Featuring LoZ (Low Impedance) mode to help eliminate ghost voltages and a CAT III 600V safety rating, the MM420 delivers accurate, dependable performance for electricians and industrial maintenance professionals.

► Key Features

  • True RMS technology for accurate measurements on non-linear loads
  • Auto-ranging functionality for faster testing
  • Measures AC/DC voltage up to 600V
  • Measures AC/DC current up to 10A
  • Low Impedance (LoZ) mode reduces false readings from ghost voltages
  • Measures temperature using included thermocouple
  • Tests resistance, continuity, capacitance, frequency and duty cycle
  • Backlit display for low-light environments
  • Data Hold, Max Hold and Relative Measurement functions
  • Built-in flashlight for improved workspace visibility
  • Durable construction with 2 m drop protection

► Technical Specifications

  • Type: Digital True RMS Multimeter
  • Voltage Range: 600V AC/DC
  • Current Range: 10A AC/DC
  • Resistance Range: Up to 50 MΩ
  • Capacitance Range: Up to 5000 µF
  • Frequency Measurement: Yes
  • Duty Cycle Measurement: Yes
  • Temperature Measurement: Yes
  • LoZ (Low Impedance) Mode: Yes
  • Continuity Test: Yes
  • Diode Test: Yes
  • Display: Backlit LCD
  • Safety Rating: CAT III 600V
  • Drop Protection: 6.6 ft (2 m)
  • Power Source: Batteries Included
  • Includes: Test Leads, Thermocouple, Batteries & Carrying Case
  • Brand: Klein Tools
  • Part No.: A-MM420

► Why Tradies Grab This

The MM420 steps up from a standard multimeter by adding LoZ functionality and advanced measurement features that help electricians diagnose faults more accurately. Its rugged construction, True RMS accuracy and temperature measurement capability make it an excellent choice for commercial, industrial and maintenance applications.

► Industrial Shed’s Trade Guarantee – Shop with Confidence

  • We Stand By Our Gear: Professional-grade test equipment built for demanding trade environments.
  • Loyalty Matters: Trade account benefits available for repeat customers.
  • Real Support, No Runaround: Backed by a team that understands electrical testing and diagnostics.
  • Fast Delivery, Every Time: Get the tools you need without unnecessary delays.

► Stock won’t last — get yours now at Industrial Shed!

At Industrial Shed, we know you need your gear fast and without the runaround. Here’s what makes our shipping better:

Local Delivery, Done In-House: If you're on the Mornington Peninsula, we handle delivery ourselves—no middlemen, no delays. Get your tools the same day or next day, straight from our team to your door.

Nationwide Reach, Reliable Partners: Need it shipped across Australia? We work with top couriers to offer standard and express options, so you get your order when you need it.

Track Every Step: You’ll get a tracking number the moment your order ships. No guessing—just a clear view of where your delivery’s at.

Service with a Real Human Touch: Got special delivery needs? Give us a shout. We’re here to make it happen, no fuss.

With Industrial Shed, you're not just another package in the mail. We get your order to you fast, safe, and with the reliability you expect.

For more information, visit Shipping Details: The Essentials.

At Industrial Shed, we keep things simple. If something’s not right or you’re not satisfied, we’ll sort it out—fast and easy.

What Sets Us Apart?

Fast Turnaround: We don’t mess around. When you need to return an item, we process it quickly so you’re not left waiting. Our goal is to get your refund or exchange sorted fast so you can get back to work.

Local Touch: For customers on the Mornington Peninsula, we offer the added benefit of in-store returns for quicker resolution. No shipping hassles—just bring it back to us, and we’ll handle the rest.

No-Nonsense Support: We make returns and refunds straightforward. If there’s a problem, you won’t be stuck in endless back-and-forths. We’re hands-on and get it sorted with minimal hassle.

Clear Policies, No Surprises: We believe in being upfront. Our return and refund policy is clear, so you know exactly what’s covered—whether it’s warranty claims, special orders, or regular returns. You’ll never be left guessing.

Built for Tradies: We understand the demands of the job, so we’re all about making returns and refunds simple, quick, and no fuss—because downtime is the last thing you need.

For more information, visit Returns & Refunds: Straight Talk.

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