Klein Tools 400A AC Clamp Meter

Six Measurements in One Unit


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What's special about this clamp meter?

  • Measure voltage, current, resistance, frequency, capacitance and duty cycle with one easy to use test meter
  • Magnetic backing allows hands-free operation, ideal in situations where use of two hands is required
  • Provides "live readings", or saves maximum and minimum values for analysis at a later time
  • Non-contact voltage tester allows safe measurements of potentially dangerous wires
  • Click for More Features

The 400A AC Clamp Meter by Klein Tools is a perfect, 6-in-1 multimeter for any electrician, IT professional, or home user. With the ability to check AC current and voltage, resistance, capacitance, frequency and duty cycle, this meter is perfect for any job, large or small.


KT-CL1000 400A AC Clamp Meter 1.5" (3.8cm) 3.38" (8.5cm) 3.38" (8.5cm) DISCONTINUED
  • After 30 minutes of non-use, the meter will automatically shut off to prolong battery life
  • Bright back light/work light helps you view measurements in poorly lit areas like basements or IT closets
  • This clamp meter also has the ability to check continuity and diodes to ensure correct placement in circuits
  • For an approximate analog representation and a faster response time than the digital display, a bar graph can be viewed on the LCD screen
Operating Altitude 2000 Meters
Relative Humidity 80% Max
Operating Temp 32°F to 113°F (0°C to 45°C)
Storage Temp 32°F to 140°F (0°C to 60°C)
Accuracy Temp 64°F to 82°F (18°C to 28°C)
Calibration Accurate for one year
CAT Rating CAT III 600V
Dimensions 8.875" x 3.375" x 1.5" (22.5cm x 8.5cm x 3.8cm)
Weight 10.7 oz






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61-920 Ideal resistance testerIDEAL 61-920 Ground Resistance Tester Clamp
Checks the ground resistance and leakage safely. The new larger clamp fits rods or cables as large as 1.25" in diameter for faster clamp-on operations. Backlit screen means you can see the display easily even at night. Comes complete with calibration loop, batteries and instructions.

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