high-resistance ohmmeter

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• Ohmmeter — An ohmmeter An ohmmeter is an electrical instrument that measures electrical resistance, the opposition to an electric current. Micro ohmmeters (microhmmeter or microohmmeter) make low resistance measurements. Megohmmeters (aka megaohmmeter or in …   Wikipedia

• ohmmeter — /ohm mee teuhr/, n. Elect. an instrument for measuring electric resistance in ohms. [1895 1900; OHM + METER] * * * ▪ instrument       instrument for measuring electrical resistance, which is expressed in ohms. In the simplest ohmmeters, the… …   Universalium

• Electrical resistance — is a ratio of the degree to which an object opposes an electric current through it, measured in Ohms. Its reciprocal quantity is electrical conductance measured in Siemens. Assuming a uniform current density, an object s electrical resistance is… …   Wikipedia

• Contact resistance — The term contact resistance refers to the contribution to the total resistance of a material which comes from the electrical leads and connections as opposed to the intrinsic resistance, which is an inherent property, independent of the… …   Wikipedia

• Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …   Wikipedia

• Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …   Wikipedia

• Megger Group Limited — Type Private Industry Electrical power Founded 1889 Found …   Wikipedia

• Voltmeter — Demonstration voltmeter from a physics class A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage… …   Wikipedia

• Electricity meter — Typical North American domestic analog electricity meter …   Wikipedia

• megger — The registered trade name of a high voltage, high range ohmmeter. It has a built in, hand operated generator for providing the voltage needed to measure the electrical continuity, the insulation resistance, and the resistance between a component… …   Aviation dictionary

• Test and tagging — is a generic name given to the process of visually inspecting and electrically testing in service electrical equipment for personal use and/or safety. Colloquially, it is also referred to as; tagging, test tag, test and tag, electrical tagging,… …   Wikipedia