![]() ![]() What is the purpose of the first diagram? It is not really used in the text. I believe (and this is from reading the axis on a Psychrometrics) it is w/w. But what is it a percentage by? Percentage weight, percentage volume, percentage of moles, something else? I understand the diagram shows the percentage of water vapour that can be carried as a component of air at a given temperature. Production machines, driers, tableters, and coaters are all sensitive to humidity – quality control requires machine monitoring, area monitoring and final product Equilibrium Relative Humidity (ERH) measurement.Ĭlean room environments are humidity critical – environmental monitoring system (EMS) and measurement is validated to conform with regulatory requirements.I have two questions / suggestions for extra material.ġ. Humidity instruments are used to both control (transmitters) and monitor (transmitters or data loggers) these conditions during “accelerated conditions” drug testing. Most drugs are sensitive to variations in humidity and moisture levels, so these need to be considered and controlled using measurement instruments, probes and sensors for the final products to be consistent in quality and performance. The pharmaceutical industry is one of the largest users of humidity measurement equipment. Pictured L – R: Rotronic Probes For Industrial Applications & Probes For Handheld Tools ROTRONIC – HUMIDITY MEASUREMENT IN THE PHARMACEUTICAL INDUSTRY
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