Unless you are an experienced factory operator or an industry manager, there are great chances that you believe that the coffee you pour in the coffee machine every morning smells so delicious just because you have stored it in a dry and dark place or that the breakfast cereals that your children enjoy so much are crispy because you always remember to close the plastic bag carefully. And although these two daily routines are indeed important, coffee smells delicious and your cereals are crispy and your potato chips are not humid because they were also well taken care of during their specific manufacturing processes.
Factory operators and industry owners and managers are well aware of the fact that their main responsibility is to produce products that their customers are eager to purchase over and over again because of their high quality and to keep up with the ever increasing industry standards. In some occasions, industry workers can ensure that the products they are manufacturing are of good quality or that they comply with the standards quite easily because the aspects to be monitored can be effortlessly distinguished or measured with their naked eyes or hands. However, in most occasions, they need to rely on specific and sophisticated equipment called process sensors in order to make sure that the temperature or humidity of the item being made are the correct ones.
Process sensor is the generic name given to moisture analyzers and temperature sensors, which are sophisticated instruments that are used in wide variety of industries. Amongst them we can mention the animal and pet food industry, breweries, chemical and pharmaceutical labs and wood factories.
Moisture sensors are also usually referred to as hygrometers or humidity analyzers and they are situated along different steps of the manufacturing process. They help factory operators be sure that barley used to make beer is not stored wet, that potato chips are dry enough before entering into the packaging process and that coffee beans are not packed wet so that they taste and smell sour when consumed. As not all manufacturing processes are the same or require the same level of humidity in every step, factories usually place different hygrometers to keep a close monitoring of the humidity level all throughout the manufacturing procedure. Each time, a sample is taken and weighed. Then it is introduced into the moisture sensor and dried out. After that it is weighed again and the difference in weight lets the operators know if the humidity level is acceptable or if any change needs to be made.
Temperature sensors are mainly used in laboratories where chemical compounds may lose their valuable properties if they are exposed to very high or low temperatures.
Eduard Jim by Moisture Analyzers
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