Viscometers find application in the food and beverage, materials science, and chemicals industries, among others. The applications and uses of viscometers are many and varied. This article aims to simplify the complex process of selecting a viscometer by describing the difference between the two main viscometer types: capillary viscometers and rotational viscometers. The choice of viscometer is dependent on a number of factors, including range of viscosity needed, accuracy, temperature control, regulatory requirements, automation and computer interfacing, and sample volume and microvolume ability.
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