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- Four-terminal_sensing abstract "Four-terminal sensing (4T sensing), 4-wire 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 the simpler and more usual two-terminal (2T) sensing. Four-terminal sensing is used in some ohmmeters and impedance analyzers, and in wiring for strain gauges and resistance thermometers. Four-point probes are also used to measure sheet resistance of thin films.Separation of current and voltage electrodes eliminates the lead and contact resistance from the measurement. This is an advantage for precise measurement of low resistance values. For example, an LCR bridge instruction manual recommends the four-terminal technique for accurate measurement of resistance below 100 ohms.Four-terminal sensing is also known as Kelvin sensing, after William Thomson, Lord Kelvin, who invented the Kelvin bridge in 1861 to measure very low resistances using four-terminal sensing. Each two-wire connection can be called a Kelvin connection. A pair of contacts that is designed to connect a force-and-sense pair to a single terminal or lead simultaneously is called a Kelvin contact. A clip, often a crocodile clip, that connects a force-and-sense pair is called a Kelvin clip.".
- Four-terminal_sensing thumbnail Four-point.png?width=300.
- Four-terminal_sensing wikiPageExternalLink 4_wire_kelvin_resistance_measurement.htm.
- Four-terminal_sensing wikiPageExternalLink 9.html.
- Four-terminal_sensing wikiPageExternalLink Electrical_conductivity_and_resistivity.
- Four-terminal_sensing wikiPageID "7154495".
- Four-terminal_sensing wikiPageLength "4463".
- Four-terminal_sensing wikiPageOutDegree "22".
- Four-terminal_sensing wikiPageRevisionID "646302134".
- Four-terminal_sensing wikiPageWikiLink ATX_power_supply.
- Four-terminal_sensing wikiPageWikiLink Category:Impedance_measurements.
- Four-terminal_sensing wikiPageWikiLink Category:Scientific_techniques.
- Four-terminal_sensing wikiPageWikiLink Contact_resistance.
- Four-terminal_sensing wikiPageWikiLink Crocodile_clip.
- Four-terminal_sensing wikiPageWikiLink Electric_current.
- Four-terminal_sensing wikiPageWikiLink Electrical_impedance.
- Four-terminal_sensing wikiPageWikiLink Electrode_array.
- Four-terminal_sensing wikiPageWikiLink Kelvin_bridge.
- Four-terminal_sensing wikiPageWikiLink LCR_meter.
- Four-terminal_sensing wikiPageWikiLink Ohmmeter.
- Four-terminal_sensing wikiPageWikiLink Ohms_law.
- Four-terminal_sensing wikiPageWikiLink Power_supply_unit_(computer).
- Four-terminal_sensing wikiPageWikiLink Resistance_thermometer.
- Four-terminal_sensing wikiPageWikiLink Sheet_resistance.
- Four-terminal_sensing wikiPageWikiLink Shunt_(electrical).
- Four-terminal_sensing wikiPageWikiLink Strain_gauge.
- Four-terminal_sensing wikiPageWikiLink Thin_film.
- Four-terminal_sensing wikiPageWikiLink Voltage.
- Four-terminal_sensing wikiPageWikiLink William_Thomson,_1st_Baron_Kelvin.
- Four-terminal_sensing wikiPageWikiLink File:Four-point.png.
- Four-terminal_sensing wikiPageWikiLinkText "4 electrical probes".
- Four-terminal_sensing wikiPageWikiLinkText "4-wire measurement".
- Four-terminal_sensing wikiPageWikiLinkText "Four-terminal sensing".
- Four-terminal_sensing wikiPageWikiLinkText "Kelvin clips".
- Four-terminal_sensing wikiPageWikiLinkText "Kelvin connection".
- Four-terminal_sensing wikiPageWikiLinkText "Kelvin sensing".
- Four-terminal_sensing wikiPageWikiLinkText "four point probe".
- Four-terminal_sensing wikiPageWikiLinkText "four terminal measurement".
- Four-terminal_sensing wikiPageWikiLinkText "four-point probe".
- Four-terminal_sensing wikiPageWikiLinkText "four-terminal connections".
- Four-terminal_sensing wikiPageWikiLinkText "four-terminal sensing".
- Four-terminal_sensing wikiPageWikiLinkText "kelvin connection".
- Four-terminal_sensing wikiPageWikiLinkText "remote sensing".
- Four-terminal_sensing hasPhotoCollection Four-terminal_sensing.
- Four-terminal_sensing wikiPageUsesTemplate Template:Clear.
- Four-terminal_sensing wikiPageUsesTemplate Template:More_footnotes.
- Four-terminal_sensing wikiPageUsesTemplate Template:Reflist.
- Four-terminal_sensing subject Category:Impedance_measurements.
- Four-terminal_sensing subject Category:Scientific_techniques.
- Four-terminal_sensing hypernym Impedance.
- Four-terminal_sensing type Technique.
- Four-terminal_sensing comment "Four-terminal sensing (4T sensing), 4-wire 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 the simpler and more usual two-terminal (2T) sensing. Four-terminal sensing is used in some ohmmeters and impedance analyzers, and in wiring for strain gauges and resistance thermometers.".
- Four-terminal_sensing label "Four-terminal sensing".
- Four-terminal_sensing sameAs Vierleitermessung.
- Four-terminal_sensing sameAs Mesure_4_pointes.
- Four-terminal_sensing sameAs Misura_a_quattro_terminali.
- Four-terminal_sensing sameAs 四端子測定法.
- Four-terminal_sensing sameAs Połączenie_czteropunktowe.
- Four-terminal_sensing sameAs m.0h74qk.
- Four-terminal_sensing sameAs Чотириточковий_метод_вимірювання_опору.
- Four-terminal_sensing sameAs Q1293642.
- Four-terminal_sensing sameAs Q1293642.
- Four-terminal_sensing sameAs 四端点测量技术.
- Four-terminal_sensing wasDerivedFrom Four-terminal_sensing?oldid=646302134.
- Four-terminal_sensing depiction Four-point.png.
- Four-terminal_sensing isPrimaryTopicOf Four-terminal_sensing.