However, there are several means to narrowing the possibilities before any testing is performed. The process of choosing a spindle and rotational speed for use with your Brookfield viscometer is ultimately one of trial and error. My digital viscometers is display "EEEEE" when I am trying to test a material? What does that mean? What is a math model and when should you use it to evaluate viscosity test data? My spindle wobbles when it rotates - what does than mean? My dial reading and/or cP (viscosity) value won't stabilize, what does that mean? How do I calculate CAP 1000/2000 accuracy? How do I calculate accuracy of the reading when testing a sample? How long should I wait for thermal equilibrium? What is the accuracy of my Brookfield temperature probe? How is viscosity affected by temperature? What is the best calibration check that I can perform? How do I know if my instrument is calibrated? My fluid has a viscosity value that is not part of your standard fluids listing, what should I do? Should I use silicone oil or mineral oil? Recommended for use with AMETEK Brookfield Viscometers/Rheometers and most other rotational viscometers.Fluids with a viscosity of 30,000 cP or greater are supplied in 16 oz (500 mL) containers, all other fluids are supplied in 24 or 32 oz (750 or 1000 mL) containers, complete with a certificate of calibration. The selection of one or two fluids will normally provide sufficient measurement points to verify calibration of your instrument. Silicone fluids provide excellent temperature stability and are less temperature sensitive than oil viscosity standards.ĪMETEK Brookfield Viscosity Standards are certified by methods traceable to the United States National Institute of Standards and Technology (NIST). Silicone Standards are Newtonian fluids which are accurate to ☑% of viscosity value. General Purpose Silicone fluids are the most commonly used standard for verifying calibration of your AMETEK Brookfield laboratory Viscometers/Rheometers. Special viscosity values and temperature calibrations available upon request. Recommended for use with AMETEK Brookfield and most other rotational viscometers.The fluids are stored in plastic bottles. Silicone viscosity standards supplied in 1000 mL plastic bottles complete with a certificate of calibration. Brookfield Viscosity Standards provide a convenient, reliable way to verify the calibration of your Brookfield Laboratory Viscometer/Rheometer.
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