precision ohmmeter

См. также в других словарях:

• 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

• 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

• 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

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

• Four-terminal sensing — (4T sensing) or 4 point probes method is an electrical impedance measuring technique that uses separate pairs of current carrying and voltage sensing electrodes to make more accurate measurements than traditional two terminal (2T) sensing. 4T… …   Wikipedia

• Wheatstone bridge — A Wheatstone bridge is a measuring instrument invented by Samuel Hunter Christie in 1833 and improved and popularized by Sir Charles Wheatstone in 1843. It is used to measure an unknown electrical resistance by balancing two legs of a bridge… …   Wikipedia

• Electrical generator — In electricity generation, an electrical generator is a device that converts mechanical energy to electrical energy, generally using electromagnetic induction. The reverse conversion of electrical energy into mechanical energy is done by a motor …   Wikipedia

• Archaeological geophysics — most often refers to geophysical survey techniques used for archaeological imaging or mapping. More broadly defined, the term could refer to any geophysical techniques applied to archaeology. Remote sensing and marine surveys are also used in… …   Wikipedia

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

• Network analyzer (electrical) — Not to be confused with packet analyzer or telecom network protocol analyzer. ZVA40 vector network analyser from Rohde Schwarz. A network analyzer is an instrument that measures the network parameters of electrical networks. Today, network… …   Wikipedia