Extech MN62-K

True RMS for accurate readings of noisy, distorted or non-sinusoidal waveform VFC Low pass filter for accurate measurement of variable frequency drive signals 10 functions including Frequency and Capacitance Built-in non-contact voltage detection with audible beeper indication CAT III-600V category safety rating DV23 AC Voltage Detector Safely determine if wires are hot or not Non-Contact AC Voltage detection from 50 to 600V, 50/60Hz Audible and visual red LED light indicator Convenient built-in pocket clip Suitable for testing AC outlets, power cords and branch circuits CAT IV-600V category safety rating