Viscometers

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Definition:
Viscometers define viscous properties of a fluid at ambient or defined temperatures. (globalspec.com)

Viscometers define viscous properties of a fluid at ambient or defined temperatures. They commonly come in the form of a calibrated capillary tube through which a liquid is allowed to pass at a controlled temperature in a specified time period. Other methods include rotational viscometry and falling ball tests. They can be handheld or portable meters, benchtop or fixtured instruments or in-line. Displays for the instruments can be analog meters, a numeric or alphanumeric digital display or video, CRT or LCD. Another option is to have no local display at all and have the data gathered by another instrument. Likewise, the user controls can also be analog or digital or can be operated through a host computer. Electrical output options for viscometers are the standard voltage and current outputs as well as an analog pulse or frequency or a change in state of switches or an alarm. Serial and parallel interfaces can help connect these instruments to a host computer.(globalspec.com)



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