Klein 400A AC/DC True RMS Clamp Meter

Get a True RMS Measurement Without Having to Convert the Signal


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What's special about this RMS Multimeter?

  • Saves time by providing a true RMSreading without requiring extra steps to convert the signal from AC to DC
  • The relative reading/zero mode allows the difference between the stored reading and the live measurement to be displayed
  • The bar graph located on the LCD screen will show an approximate analog representation for faster readings than the digital display
  • Hands-free operation is easy with the magnetic back, simply attach the meter to a metal surface or wrist magnet
  • Click for More Features

This clamp meter by Klein Tools features a large LCD display, a magnetic back, and true RMS readings. Together with the ability to measure current, voltage, resistance and more, it is the perfect meter for electricians or IT professionals.


KT-CL2000 400A AC/DC True RMS Clamp Meter 8.875"L x 3.375"W x 1.5"H 10.7 oz DISCONTINUED
  • This clamp meter will automatically shut off after 30 minutes of inactivity to save energy and prolong battery life
  • With the backlight and work light, it's easy to view the measurements in dimly lit spaces or in direct sunlight
  • With the max/min hold button, the largest and smallest measurement can be saved for quick analysis at a later time
  • LCD screen confirms measurements in large, easy to view numbers


Operating Altitude 2000 Meters
Relative Humidity 80% Max.
Operating Temperature 32°F - 113°F (0°C - 45°C)
Storage Temperature 32°F - 140°F (0°C - 60°C)
Accuracy Temperature 64°F - 82°F (18°C - 28°C)
Temperature Coefficient 0.1*(specified accuracy) / °C
Dimensions 8.875"L x 3.375"H x 1.5"W (22.54cm x 8.57cm x 3.81cm)
Weight 10.7 oz
Calibration Accurate for one year
CAT Rating CAT III 600V





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