Klein Tools MM400 Auto Ranging Digital Multimeter, 600 Volts

Write a review
Klein Tools MM400 is an auto-ranging millimeter that measures AC/DC voltage, AC/DC current & resistance. It can also measure temperature, capacitance, frequency, duty-cycle & test diodes & continuity.
SKU: 42999297
MFG: MM400
Shop more products by Klein Tools.

In Stock
Or Use
Request a Bulk Quote

Thank you for your quote request. We will be in touch.




  • Assembled Length: 6"
  • Assembled Depth: 1.78"
  • Assembled Width: 3"
  • Color: Orange and Black
  • Display Type: Digital
  • Battery Size: AAA
  • Batteries Included
  • Auto-Ranging
  • Measures up to 600V AC/DC voltage and 10A AC/DC current
  • Built to withstand a 3.3' drop
  • Low battery indicator and accessible battery compartment
  • For use in residential, business and light-industrial locations
  • Includes test leads, thermocouple with adapter and batteries
  • Clamshell
Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


MFR: MM400
SKU: 42999297
UPC: 092644690211
Brand: Klein Tools
Weight: 1.0 lb