Standard Test Method for Calibration of Concentric Cylinder Rotational Viscometers
5.1 This test method may be used to calibrate a rotational viscometer and its associated rotational element.
5.2 The apparent viscosity (η) of a test specimen may then be obtained using Eq 4:
1.1 This test method describes the calibration (or performance validation) of rotational viscometers in which the rotational element is immersed in the test fluid under ambient temperature conditions. It is not intended for cone-and-plate or parallel plate viscometers.
1.2 Calibration shall be performed using experimental conditions, such as temperature, viscosity range and shear rate (rotational speed), as close as practical to those to be used for measurement of test specimens.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.3.1 Common viscosity units of Poise (P) are related to the SI units by the equivalency 1 cP = 1 mPa·s.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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