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# Electrical conductivity meter

An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. [1]

## Aquaculture

Aquaculture (less commonly spelled aquiculture), also known as aquafarming, is the farming of fish, crustaceans, molluscs, aquatic plants, algae, and other organisms.

## Aqueous solution

An aqueous solution is a solution in which the solvent is water.

## Celsius

The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

## Conductivity (electrolytic)

Conductivity (or specific conductance) of an electrolyte solution is a measure of its ability to conduct electricity.

## Conductivity factor

The conductivity factor (CF) of dissolved salts in a given solution is a measurement of conductivity.

## Electrical resistivity and conductivity

Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.

## Fresh water

Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water.

## Horiba

is a Japanese manufacturer of precision instruments for measurement and analysis.

## Hydrochloric acid

Hydrochloric acid is a colorless inorganic chemical system with the formula.

## Hydrofluoric acid

Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water.

## Hydroponics

Hydroponics is a subset of hydroculture, the method of growing plants without soil, using mineral nutrient solutions in a water solvent.

## Linearity

Linearity is the property of a mathematical relationship or function which means that it can be graphically represented as a straight line.

## Mass fraction (chemistry)

In chemistry, the mass fraction w_i is the ratio of one substance with mass m_i to the mass of the total mixture m_\text, defined as The symbol Y_i is also used to denote mass fraction.

## Nitric acid

Nitric acid (HNO3), also known as aqua fortis (Latin for "strong water") and spirit of niter, is a highly corrosive mineral acid.

## Ohm's law

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

## Potassium chloride

Potassium chloride (KCl) is a metal halide salt composed of potassium and chlorine.

## Salinometer

A salinometer is a device designed to measure the salinity, or dissolved salt content, of a solution.

## Sodium chloride

Sodium chloride, also known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.

## Solution

In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances.

## Sulfuric acid

Sulfuric acid (alternative spelling sulphuric acid) is a mineral acid with molecular formula H2SO4.

## TDS meter

A TDS meter indicates the total dissolved solids (TDS) of a solution, i.e. the concentration of dissolved solid particles.

## Temperature

Temperature is a physical quantity expressing hot and cold.

## Total dissolved solids

Total dissolved solids (TDS) is a measure of the combined content of all inorganic and organic substances contained in a liquid in molecular, ionized or micro-granular (colloidal sol) suspended form.

## Water

Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

## References

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