The Triplett Model 9045 True-RMS AC/DC Digital Multimeter is a 6000 count, autoranging, True RMS, handheld digital multimeter with a 61 segment bar graph in its backlit LCD display. At its core is an LSI (Large Scale Integration) integrated circuit which uses dual slope A/D conversion for stability and accuracy. It offers a large variety of measurement features including AC/DC Voltage, AC/DC Current, Resistance, Continuity, Diode Test, and Capacitance. The rubberized overmolded housing provides impact and drop resistance in a sleek ergonomic design, and the user-friendly Auto Power Off feature helps maximize battery life. With an industry standard CAT III design, it provides superior resistance to damage from transient overvoltages in many demanding industrial settings. The Model 9045 is suited for a variety of industrial and residential applications, including security, home theater, electrical, HVAC installations and more.