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A modified Kelvin bridge for measuring very low resistances.



Related Terms

KELVIN BRIDGE

A specialized version of the Wheatstone bridge network designed to eliminate, or greatly reduce, the effect of lead and contact resistance, and thus permit accurate measurement of low resistance. Also known as double bridge; Kelvin network; Thomson bridge.

KELVIN TEMPERATURE SCALE

  1. An International Temperature Scale which agrees with the Kelvin absolute temperature scale within the limits of experimental determination. 2. See Kelvin absolute temperature scale.

EVERGLADE

  1. A tract of swampy land covered mostly with tall grass. 2. A swamp or inundated tract of low land, as used locally in the southern U.S

ANTIDUMPING DUTY

A tariff imposed to discourage sale of foreign goods, subsidized to sell at low prices detrimental to local manufacturers.

THERMAL CONDUCTIVITY

The ability of a material to conduct heat, expressed as thermal power conducted per unit temperature and thickness. Metals and other thermal 'conductors' have a large thermal conductivity. Refractories and other thermal 'insulators' have a low thermal conductivity.

GANTRY-TYPE ROBOT

A continuouspath, Cartesian-coordinate robot constructed in a bridge shape that uses rails to move along a single horizontal axis or along either of two perpendicular horizontal axes.

CRIMP CONNECTER

Light duty compressible fittings used to join low voltage DC circuitry. Available in spade or barrel type male to female configurations.

REFRIGERATOR

A device to transfer heat from a low temperature to a high temperature medium.

BEACH

The zone of unconsolidated material that extends landward from the low water line to the place where there is a marked change in material or physiographic form, or to the line of permanent veg- etation (usually the effective limit of storm waves). A beach includes foreshore and backshore. The beach along the margin of the sea may be called SEABEACH. Also called STRAND, espe- cially when the beach is composed of sand. See also TIDELAND.

PIVOT BRIDGE

A bridge in which a span can open by pivoting about a vertical axis.

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