The Triplett MM650-NIST is a 6000 count high performance digital multimeter with True RMS readings to provide better accuracy when measuring non-sinusoidal or noisy waveforms. It offers a large variety of measurement features including AC/DC Voltage, AC/DC Current, AC/DC µA Current, Resistance, Temperature, Frequency, Capacitance, Continuity, and Diode Test. Additional features include 61-segment analog bargraph, backlit LCD, buttons and switch selector, Lo Z (impedance) mode for identifying ghost voltages, data hold, peak hold, relative mode, and a built-in flashlight. The rubberized overmolded housing provides impact and drop resistance in a sleek ergonomic design that is also waterproof (IP67). CAT IV 600V safety rating provides superior resistance to damage from transient overvoltages in any demanding industrial settings. The Model MM650 is suited for a variety of industrial and residential applications such as security, home theater, electrical, HVAC installations and more. Includes Certificate of Traceability to N.I.S.T., test leads, temperature probe, (4) AAA batteries, and carrying case. 3-year warranty.