Product DescriptionThe TPI 100 digital multimeter (also known as a multitester) is an average-sensing, auto-ranging meter that measures voltage and resistance, and performs continuity tests in electrical applications. The meter is designed to perform resistance measurements for motor windings, transformers, solenoids, elements, and electrical heater cores. It can be used to measure line and control circuit voltages, and verify voltage at breakers and outlets. An audible continuity sensor confirms a circuit conducts electricity. The meter automatically switches between AC and DC voltage and resistance. The unit automatically turns off after 10 minutes of nonuse to conserve battery life. A molded rubber boot protects the meter against damage from falls, impacts, and abrasion, and a tilt stand provides viewing for one-handed operation. This average-sensing, or average-responding, meter provides accurate readings when measuring linear loads, such as standard induction motors and incandescent lights, where the current or voltage has a sinusoidal waveform. The meter is auto-ranging and automatically selects the correct operating range for the property being measured. The LCD has a 4,000-count resolution, meaning it can display up to 3,999 units (3-3/4 digits) before the operating range needs to be changed. The meter meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category II installations, up to 1000V which covers most protected electronic equipment (such as small household appliances) and Category III installations up to 600V, 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). The meter includes a test lead set, two 1.5V batteries, a protective rubber boot, and instructions. Specifications
H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back. Multimeters are electrical test meters that measure multiple properties of an electrical circuit, such as current, voltage, resistance, capacitance, and continuity. Available in handheld or benchtop models, multimeters diagnose electrical problems in electrical equipment, wiring, and power supplies. A variety of probes, clamps, and leads can be used to connect the meter to a circuit or device. Multimeters display information either in analog or digital form. Factors that influence meter choice include the electrical properties to be measured, the anticipated range of results, and the desired level of protection against transient voltage. Safety ratings are based on International Electrotechnical Commission (IEC) standards for low-voltage test equipment. IEC 61010 delineates four overvoltage installation categories. In general, a meter with a category IV rating will provide more protection against transient voltages than a meter with a lower category rating. Test Products International (TPI) manufactures test and measurement equipment such as oscilloscopes, manometers, multimeters, and test leads. The company, founded in 1997, is headquartered in Beaverton, OR. What's in the Box?
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