Fluke 373 True-RMS AC Clamp Meter Large, easy to read backlight display automatically sets the correct measurement range so you do not need to change the switch positions while taking a measurement Soft carrying case True-rms ac/dc voltage and current for accurate measurements on non-linear signals State of the art signal processing allows for use in noisy electrical environments while providing stable readings Large, easy to read backlight display automatically sets the correct measurement range so you do not need to change the switch positions while taking a measurement Soft carrying case True-rms ac voltage and current for accurate measurements on non-linear signals State of the art signal processing allows for use in noisy electrical environments while providing stable readings