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The Extech EX420 digital multimeter Features 11 advanced measurement functions that include AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, and diode/continuity test. Also includes a built-in K-type thermometer for surface or air temperature measurements. Relative function establishes a base line reading for reference. Large 4000-count backlit LCD display with 1"-high digits allows for easy measurement reading. Includes fuse protection and mis-connection warnings.
Model EX420 is an averaging instrument with basic VDC accuracy of 0.3%, comes with CAT III test leads, multi-position tilt stand, magnetic hanging strap, holster with built-in test lead storage, bead wire temperature probe, and 9V battery.