5 Questions
What type of electrodes are commonly used in common laboratory conductivity meters?
Cylindrical electrodes
In common laboratory conductivity meters, what method is often used to apply an alternating current to the outer pair of electrodes?
Potentiometric method
What is the advantage of employing an inductive method in industrial conductivity probes?
Fluid does not wet the electrical parts of the sensor
How are inductively-coupled coils utilized in the industrial conductivity probes?
To produce a magnetic field and supply known voltage
What materials are four-electrode conductivity sensors made from?
Corrosion-resistant materials
Study Notes
Electrodes in Laboratory Conductivity Meters
- Four-electrode sensors are commonly used in common laboratory conductivity meters.
Applying Alternating Current in Laboratory Conductivity Meters
- An alternating current is often applied to the outer pair of electrodes using a four-electrode method.
Advantage of Inductive Method in Industrial Conductivity Probes
- The advantage of employing an inductive method in industrial conductivity probes is that it eliminates polarization effects.
Inductively-Coupled Coils in Industrial Conductivity Probes
- Inductively-coupled coils are utilized in industrial conductivity probes to measure conductivity.
Materials Used in Four-Electrode Conductivity Sensors
- Four-electrode conductivity sensors are made from a variety of materials, including titanium, stainless steel, and platinum.
Test your knowledge about electrical conductivity meters and their applications in hydroponics, aquaculture, and freshwater systems. Learn about the principle behind common laboratory conductivity meters employing a potentiometric method and four electrodes.
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