The PM51 meter is a shirt-pocket size meter only 19 mm (.75 in) wide and weighing less than 85 g (3 oz). With full functionality offering AC and DC voltage to 600 V, resistance to 40 MΩ, capacitance to 300 μF, frequency to 1 MHz, continuity with beeper, and diode test. Fully autoranging, the PM51 offers seven different measurement functions with 27 full ranges of measurement. The digital display is oversized with large digits and icons in the display. In spite of its small size, the PM51 is full safety rated to CAT III 300 V, CAT II 600 V, and is UL listed. No other meter offers this size with such performance and high safety ratings.