GW Instek GDM-8135 3-1/2 Digit LED Single Display Digital Bench Top Multimeter

The Instek GDM-8135 benchtop digital multimeter (also called multitester) is an average-sensing, manual-ranging meter that measures voltage, current, resistance, capacitance, and frequency, and performs continuity and diode tests in electrical applications and educational settings. An audible continuity sensor confirms a circuit conducts electricity, and a diode test detects proper functioning of a circuit's diodes. Circuit protection on all ranges provides added security in high-energy testing, and an auto-zero circuit offsets small voltages. The 1/2" high LCD provides high visibility in lab and workshop settings. The meter has a compact profile with a stand that tilts the display up for easier reading or can be folded away to save room.

This true RMS (root mean square) meter provides accurate readings when measuring linear loads, such as standard induction motors and incandescent lights, where the current or voltage has an undistorted waveform, or nonlinear loads, such as electronic devices or motors, where the current or voltage has a distorted waveform. It is a manual-ranging meter that requires the operator to choose the appropriate operating range for the property being measured. The LCD has a 2,000-count resolution, meaning it can display up to 1,999 units (3-1/2 digits) before the operating range needs to be changed. The meter meets International Electrotechnical Commission (IEC) safety standard 61010; Category III installations, which covers items used with enclosed building circuit installations (such as service panel parts, branch circuits, and fixed installations that are connected directly to a building's AC power supply) and Pollution Degree 2 for indoor use. The meter includes one pair of test leads, a 110/220V power cord, and instructions.

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