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Absolute Pressure – A quantity of pressure measured with respect to total vacuum. Equal to the sum of a pressure gauge reading and atmospheric pressure (14.69 psia or 1.01 bar at sea level). Absorption – The “soaking up” of gas, liquids or dissolved substances into a solid material. Acid – A chemical compound that dissociates …
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Introduction to Conductivity Measurement The term Conductance refers to the readiness of materials to carry an electric current. Liquids which carry an electric current are generally referred to as electrolytic conductors. The flow of current through electrolytic conductors is accomplished by the movement of electric charges (positive and negative ions) when the liquid is under the …
pH meter A pH meter is an electronic device used for measuring pH(acidity or alkalinity) of a liquid.  A typical pH meter consist of a special measuring probe connected to an electronic meter that measures and displays the pH reading. pH meter Probe  The probe is a key part of a pH meter,it …