Klein Tools MM200 Auto-Ranging Digital Multimeter

An Easy-to-Use Multi-Function Electrical Tester


What's special about this electrical multimeter?

  • Measures AC/DC voltage, current, resistance, capacitance, frequency, temperature, diode, and signal continuity - the perfect all-in-one solution for electrical workers
  • Auto-ranging capability greatly simplifies electrical testing by automatically detecting your desired range of measurement
  • Switchable backlit LED with large numbers for easy reading in all environments, including dark areas such as attics, basements, and inside walls
  • Ideal for all applications, from hobbies and DIY home repairs to industrial electrical work
  • Click for More Features

The MM200 Digital Multimeter is an affordable, professional tester fit for many applications. Auto-ranging capability all but eliminates set-up time, and the built-in stand and backlight ensure that you will always be able to view and record your results in any environment without extra tools. This DMM provides accurate results for hobbyists, repair technicians,, and journeymen alike.

Part #DescriptionDimensionsPrice
KT-69410Klein Tools Test Leads36" L
Manufacturer Direct
KT-69401Canvas Carry Pouch13.75" W 8" H
Manufacturer Direct
  • Includes a detachable thermocouple for measuring temperature, eliminating the need for a separate thermometer
  • Available nylon carry pouch keeps the set together and protects from abrasion
  • Integrated test lead holsters in the rear of unit for easy cable management
  • Removable test leads are easy to replace in the event of damage from an overload, saving on the costs of purchasing an entirely new unit
  • Rugged hard plastic construction for durability under the rough conditions of repair shops, construction sites, and remodeling environments
  • Integrated stand allows for hands-free operation
  • Battery cover screws shut to prevent cover from falling off and getting lost


AC Voltage Measurement

  • Overload Protection: 600V RMS
  • RMS Frequency: 50 ~ 60Hz
  • Input Impedance: > 10MΩ
  • Response: Averaging


Range Resolution Accuracy
4V to 600V 1mV to 1V ± (1.2% + 5 digits)


Resistance Measurement

  • Overload Protection: 600V RMS


Range Resolution Accuracy
400Ω to 4MΩ 0.1Ω to 0.001MΩ ± (0.8% + 4 digits)
40MΩ 0.01MΩ ± (1.5% + 4 digits)


Capacitance Measurement

  • Overload Protection: 600V RMS
  • 4nF Range: Stated accuracy with film capacitor or better


Range Resolution Accuracy
4nF to 40μF 0.001nF to 0.01μF ± (3.0% + 6 digits)
200μF 0.1μF ± (4.0% + 6 digits)


Frequency Measurement

  • Overload Protection: 600V RMS
  • Sensitivity: 0.7V RMS at 1MHz


Range Resolution Accuracy
9.999Hz to 999.9kHz 0.001Hz to 0.1kHz ± (0.5% + 2 digits)


Temperature Measurement

  • Overload Protection: 600V RMS
  • Sensor: K-type thermocouple, accuracy not listed


Range Resolution Accuracy
-4°F to 32°F (-20°C to 0°C) 1°F (17.22°C) ± (5.0% + 2 digits)
32°F to 1,832°F (0°C to 1,000°C) 1°F (17.22°C) ± (3.0% + 2 digits)


Duty Cycle Measurement

  • Overload Protection: 600V RMS
  • Frequency: 0.5Hz ~ 100kHz (pulsewidth > 2μsec)


Range Resolution Accuracy
0.1% to 99.9% 0.10% ± (2% + 5 digits)


AC/DC Current Measurement

Range Resolution DC Accuracy AC Accuracy
400μA ~ 400mA 0.1μA ~ 0.1mA ± (1.0% + 3 d) ± (1.2% + 3 d)
10A 0.01A ± (3.0% + 5 d) ± (3.0% + 5 d)


Overload Protection:

  • mA Input: F400mA / 250V fuse
  • 10A Input: F10A / 500V fuse


Max Input Current:

  • mA Input: 400mA DC / AC RMS
  • 10A Input: 10A DC / AC RMS


Diode Test

Overload Protection Test Current Open Circuit Voltage
600V RMS Appx. 0.6mA Appx. < 1.5V DC


Continuity Test

Overload Protection Open Circuit Voltage
600V RMS Appx. 0.44V



Operating Altitude 6560 ft (2000 m)
Relative Humidity 75% max operating
Operating Temperature 32°F to 104°F (0°C to 40°C) < 75% R.H.
Storage Temperature -4°'F to 140°F (-20°C to 60°C) < 80% R.H.
Accuracy Temperature (18°C to 28°C) 64°F to 82°F < 75% R.H.
Temperature Coefficient 0.1*(specified accuracy) / °C
Sampling Frequency 3 samples per second
Dimensions 2.76" W x 1.97" D x 5.91" H
(7.01 cm W x 5 cm D x 15.01 cm H)
Weight 8.36 oz.
Calibration Accurate for one year
CAT Rating CAT III 600V
Listing ETL & cETL standard UL 3111-1 listed
Pollution Degree 2
Accuracy ± (% of reading + # of least significant digits)






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