Use the Electronic Specialties 697 current probe to test starting and charging systems. It can even be used to test relative compression when used with your lab scope or graphing meter. Unit is designed for use with digital multimeters, lab scopes or graphing meters.
Features:

Measures 0 to 400 Amps DC or AC

Use with Digital Multimeters, Scopes and Graphing Meters

Great tool for testing starting & charging systems

Jaw opening is 1.25 inches

Auto Power-Off & Low Bat Indication

One touch DC zero adjust

Storage case included

DC Amps 0-40A (resolution .01A) & 0-400A (resolution .1A)

AC Amps 0-40A (resolution .01A) & 0-400A (resolution .1A)