conductivity; electric conductivity; electrical conductance; conductance. Compare with resistance. A measure of how easily an electric current can pass through a material. The conductivity is the reciprocal of the resistance. The SI unit of conductance is the siemens.
Conductivity is a measure of the capacity of an aqueous solution to carry an electrical current. Conductivity is commonly used to determine salinity and is mostly reported in microSiemens per centimetre (mS/cm) or milliSiemens per metre (mS/m) at a standard reference temperature of 25° Celsius.
When a voltage is applied across a substance, an electric current will only flow if the substance conducts electricity. When salts dissolve in water, ions are formed and the solution (the electrolyte) will conduct electricity. As a general rule, the higher the concentration of ions in solution (ie, the higher the salt concentration) the better the solution conducts electricity; in other words, its electrical conductivity increases. Electrical conductivity is often expressed in units such as deciSeimens per metre (dS/m). Rain water, for example, has a conductivity of 0.02-0.05 dS/m, while sea water has a conductivity of 50-60 dS/m.
Measure of the ability of material to conduct an electrical current. For water samples, it depends on the concentration and type of ionic constituents in the water and the temperature of the water; it is expressed in millisiemens per meter, or micromhos per centimeter.
Ability of a substance to conduct electricity.
the ease with which a substance conducts electricity.
A physical characteristic of water used to indicate the level of TDS in water; the level of electrical conductivity is proportional to the amount of dissolved solids found in the water.
The capacity of a material to conduct electric current. For aluminum, this capacity is expressed as a percentage of the International Annealed Copper Standard (IACS), which has a resistivity of 1/58 ohm-mm2/meter at 68ºF and an arbitrarily designated conductivity of unity.
a measure of the ability of a nutrient solution to conduct electricity, which is dependent upon the ion concentration and nature of the elements present
A measure of the ease with which a conduction current can be caused to flow through a material under the influence of an applied electric field
A measure of how well a material accommodates the transport of electric charge.
the ability of a solution to carry electrical energy as a result of the elements and compounds in the solution
The measure of the ability of water to conduct an electrical current, the magnitude of which depends on the dissolved mineral content of the water.
measurement of the ability of a soil water extract to conduct an electrical current expressed in mmhos or mS.
A property of a nutrient solution used as a measure of nutrient concentration.
A measure of salinity using electrical conductance expressed millimhos per centimeter (mmhos/cm) or decisiemens per meter (dS/m).
A measure of the amount of salts in a solution expressed as deciSiemen per meter (dS/m).
(Conductivité électrique) Measure by which the quantity of ionizable dissolved salt in water is evaluated and its degree of mineralization determined.(Translated from Dictionnaire usuel de l’environnement et de l’écologie. Guy Le Prat édition, Paris, 1981.)
1. A measure of the ease of transporting electric charge from one point to another in an electric field. 2. The reciprocal of resistivity.
A measure of the paint's ability to take up an electric charge, important in electrostatic spraying.
A measure of the ability of water to conduct an electric current between electrodes placed in the water; the value obtained relates to the nature and amount of salts present.
A measurement of the flow of electricity through a material, such as water or a soil solution. It can be used as a measure of the soluble salt content of soil, because the more salts in the soil sample, the greater its electrical conductivity.
How well the soil conducts an electrical charge. EC is a measure of salinity, generally expressed as decisiemens per meter at 25ºC (dS/m).
The property of a substance to conduct (carry) heat or electricity; the unit of measure is the siemens (formerly called mho), which is the reciprocal of resistivity (1 divided by resistivity).
the inverse of electrical resistivity.
The conducting power of a specified material; the reciprocal of electrical resistivity.
Electrical conductivity or specific conductivity is a measure of a material's ability to conduct an electric current. When an electrical potential difference is placed across a conductor, its movable charges flow, giving rise to an electric current.