Wireless technology allows the display to be carried up to 30 ft. away from the point of measurement for added flexibility without interference with measurement accuracy (Fluke 381)1000 A ac and dc current measurement with fixed Jaw (381, 376), 600 A TRMS ac/dc (375, 374), 600 A TRMS ac (373), 200 A TRMS AC with detachable jaw (365)iFlex flexible current probe (included 381, 376 - optional 375, 374)1000 V ac and dc voltage measurement (381, 376), 600 V ac and dc (375, 374, 373, 365)Frequency measurement to 500 Hz with both Jaws (381, 376, 375)Resistance measurement to 60 kOhm with continuity detection (381, 376, 375), 6 kOhm (374, 373, 365)CAT III 1000 V, CAT IV 600 V (381, 376, 375, 374), CAT III 600 V, CAT IV 300 V (373), CAT III 600 V (365)Min, max, avg and inrush measurements (381, 376, 375, 374)1...1000 µF capacitance measurement (376, 375, 374, 373)Integrated low pass filter and state of the art signal processing providing stable readings (381, 376, 375, 374)