Skip to content
Save 10% Now with PROMO CODE: "EASTER10" + Free Shipping on Orders Over $49! Exclusions apply for select brands.
Save 10% Now with PROMO CODE: "EASTER10" + Free Shipping on Orders Over $49! Exclusions apply for select brands.

Klein Tools MM450 Slim Digital Multimeter, Reverse Contrast Display with Lead Alert, Auto-Ranging TRMS, 600V AC/DC Voltage, Current, Resistance, Temp, Frequency, Continuity

SKU MM450
Availability:
in stock, ready to be shipped
📦 Free Shipping Available
🚛 Get it between Thursday, Apr 24 - Saturday, Apr 26, if ordered within the next 10 hours and 28 minutes.
Return Policy & Eligibility

Return Policy
We accept returns on most items within 30 days of purchase. However, the following items are NOT eligible for return:

  • Built-to-order or custom-made products (e.g., Rolair Air Compressors)
  • Gas-powered equipment (e.g., Generators, Power Washers, Chainsaws)
  • Pneumatic tools (e.g., Nail Guns, Paint Sprayers)
  • Ladders, scaffolding, or climbing equipment
  • Fall protection equipment (e.g., Lanyards, Harnesses)
  • Batteries
  • Used consumables or accessories (e.g., Sandpaper, Saw Blades)
  • Guide rails longer than 95 inches
  • Cast iron equipment (e.g., Table Saws, Drum Sanders)
  • Clothing (all sales are final)

For more details on eligible items and our full return instructions, please click here to view our complete policy.

Our Price Match Promise

We’re dedicated to offering you the best price on high-quality products from trusted sources. If you find the exact same item from an authorized seller at a lower price—including all shipping, handling, taxes, and any additional fees—we’re happy to match it.

To request a price match, simply contact our Customer Support team with the following details:

  • Your order number and purchase date
  • The product identifier or model number
  • A link to the competitor’s advertisement showing the lower price

Once we verify the details, we will issue a credit (if applicable) within two business days.

Terms & Conditions:

  • The competitor must be an authorized retail dealer.
  • The product must be identical, in stock, and available with the same features and warranty.
  • This offer does not apply to auction sites, clearance events, special promotions, misprints, or limited-time offers.
  • Price match requests must be made within 30 days of your purchase.
  • Refunds will be processed in the original form of payment.
  • Certain items, such as heavy equipment, may be excluded.

We stand by our commitment to bring you the best deal possible!

Original price $69.97
Original price $69.97 - Original price $69.97
Original price $69.97
Current price $69.97
$69.97 - $69.97
Current price $69.97
 More payment options
Fast Shipping

And Orders Over $49 Ship Free

100% Money Back

30-Day Returns

Online Support

Chat With Our USA Based Team

Authorized Retailer

Shop With Confidence

Product Details

Features

Description

Details for Klein Tools MM450 Slim Digital Multimeter, Reverse Contrast Display with Lead Alert, Auto-Ranging TRMS, 600V AC/DC Voltage, Current, Resistance, Temp, Frequency, Continuity

Features:

  • Multimeter with automatic ranging true root mean square (TRMS) technology for increased accuracy
  • Measures up to 600V AC/DC voltage, 10A AC/DC current and 50 MΩ resistance, continuity, temperature, capacitance, frequency, duty-cycle, and test diodes
  • High visibility, reverse contrast display with automatic backlight adjustment
  • Lead-Alert protection with LEDs for test lead placement
  • Slim profile allows multimeter to conveniently fit into most pockets
  • Low battery indicator and easily accessible battery and fuse compartment
  • Durable meter built to withstand a 6.6-Foot (2 m) drop
  • Includes carrying pouch, safety rated CAT III 1000V/CAT IV 600V test leads, thermocouple with adapter and 2 x AAA batteries
  • CAT III 600V safety rating
  • For use in basic and controlled electromagnetic environments such as residential, business and light-industrial locations

Details:

Klein Tools MM450 Multimeter is a TRMS auto-ranging slim multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, and test diodes and continuity. It features a high visibility, reverse contrast display with an optical sensor to automatically optimize viewing in dark or bright ambient light. The slim profile of the MM450 makes this meter almost the size of a cell phone and it conveniently fits into most pockets. The MM450 features the same quality leads you have come to expect from the Digital Multimeter line at Klein Tools. Years of field research, combined with extensive input from electricians across America, inspired the development of meters and electrical testers loaded with innovative, time-saving features.

More From Klein Tools

A trusted name in the electrical and trades industry, Klein Tools has been crafting high-quality hand tools for professionals since 1857, specializing in durable, precision-engineered solutions for electricians, linemen, and contractors.

Compare products

0 of 3 items selected

Select first item to compare

Select second item to compare

Select third item to compare

Compare