The Amprobe PM51A is a shirt pocket sized meter that weighs less than 3 oz. and is only 3/8” thick. This meter offers full functionality with featuring like AC and DC voltage to 600V, capacitance to 3000 uf, resistance to 40 megohm, frequency to 1 MHz, continuity with beeper, and diode test. The PM51A offers seven different measurement functions with 27 full ranges of measurement. It features and oversized digital display with large digits and annunciators. Even with this meter’s small size it is fully safety rated to CAT III 300 V, CAT II 600 V and is UL listed. There is no other meter with such performance and high safety ratings.