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Klein Auto Ranging Multimeter

Brand: Klein Tools Mfg#: MM400
Product#: 280MM400
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Klein Tools Mm400 Is An Auto-Ranging 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. Klein Tools' Test And Measurement Product Line Was Exclusively Designed From The Ground Up By Electricians For Electricians. 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.


  • Includes Low Battery Indicator And Has Easily Accessible Battery Compartment
  • Built To Endure A 3.3 Ft. (1 M) Drop
  • Operating Altitude To 6,562 Ft. (2,000 M)
  • Operating Temp: 32 Degree F To 104 Degree F (0 Degree C To 40 Degree C)
  • Multimeter Was Developed To Withstand Daily Wear And Tear On The Job Site And Is A Professional Meter That Provides Accurate Readings
  • Safety Rating Is Cat Iii 600-Volt, Class 2, Double Insulation
  • Multimeter Meets Requirements For Use In Basic And Controlled Electromagnetic Environments Such As Residential Properties, Business Premises, And Light-Industrial Locations


  • Brand: Klein Tools