InTech, October 1st, 2004
Water and moisture in the product is rarely desirable, and the process industry has been measuring moisture and taking steps to lower humidity since Leonardo da Vinci and before.
Some industrial process analyzers are of the probe type-capacitance, fiber optic, infrared. Others look through the process stream in the pipe-microwave. The majority require some form of sampling system.
The function of any sampling system is to deliver a clean, appropriately representative sample to the measuring element at the required pressure, temperature, and flow rate.
Measurement of moisture, although simpl...
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