2012年9月18日 星期二

Everything You Always Wanted To Know About Moisture Analysers


Have you ever wondered why that packed potato chips are so crispy? Have you ever wondered how is it possible for grind coffee to be so crispy and smell so nicely even it is packed for weeks? If you have, then you may probably be interested in knowing that moisture analysers used in factories have a lot to do with that.

Moisture analysers are highly sensitive devices that are used by a large variety of industries in order to determine the amount of moisture present in different products and substances. From chemical preparation to animal food industry and from pharmaceuticals to human food industry and even the high technology manufacturing industry they all rely on moisture analysers in order to make sure that the final product meets the strictest quality levels.

Generally speaking, moisture usually makes us feel uncomfortable and sticky. For instance, when painting a room, if it is excessively humid outside paint takes longer to dry. In some industrial processes, some moisture is allowed and even welcome but, in others, it is of utmost importance to ensure that the manufacturing environment is not only clean but also moisture free and this is why moisture analysers are needed. They can precisely tell when the humidity levels have reached a critic point and trigger an alarm that tells operators that changes and adjustments need to be made.

Excessive moisture can easily mess up with chemical processes and scientific experiments, dyes and tints may not adhere adequately to the surfaces, potato chips may feel gummy and coffee beans may smell queer.

Moisture analysers are able to extract moisture present in any substance and measure it to see if it is within an appropriate humidity range. To begin with, it weighs the product before it is dried and then weighs it again after the drying process. Thus, it can tell the moisture level that the product or substance had. Moisture analysers operators are trained to know the exact temperature setting for each product they are measuring so that they can establish the measuring parameters accordingly and make sure that no mistake is made. There are different parameters to be considered such as the weight of the product and the length of the drying process so that it has to be adjusted carefully.

Humidity sensors are, as we have already said, highly sensitive devices and many industries cannot do without them. In fact, the final quality of many products depends directly on the performance of humidity sensors.




Eduard by Processsensors.com





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