Conductivity Applications

• March 31st, 2020
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Conductivity Error Reduction Techniques: Bubbles

Make sure the sensor does not trap or collect air bubbles on the surface when on-line. This is a common and little appreciated problem because you cannot see through most piping. To test for surface bubbles, rap the back of an on-line sensor sharply with a screwdriver handle and look for a step change up in the conductivity reading. If it jumps suddenly, odds are good that the rap dislodged bubbles from the electrode surfaces.

• March 30th, 2020
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Ionic Current Flow vs Electron Current Flow

One area that may be of interest to readers is the matter of how ionic current flow in solution differs from electron current flow in solid conductors. Electrons have tiny mass and size, and move through metal conductors not continuously, but by dislodging nearby electrons in the outer orbits of metallic atoms, in a billiard-ball effect that operates with little resistance and at tremendous speed. The resistance to the passage

• March 23rd, 2020
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