ASTM D1200 PDF

Fenrirr Make the viscosity asfm at the end of asttm min period. Temperature of Testing 8. NOTE 2— It is impossible to predict the effect of temperature change on each material with which the apparatus may be used. Fill the cup with the prepared specimen. In addition, temperature measuring devices such as non-mercury liquid-in-glass thermometers, thermocouples, or platinum resistance thermometers that provide equivalent or better accuracy and precision, that cover the temperature range for thermometer 17C and 17F, may be used. This standard has been approved for use by agencies of the Department of Defense.

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The values given in parentheses are for information only. Fill the cup with the prepared specimen. Last previous edition approved in as D — 94 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.

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. A percent correction can be applied to the seconds? In addition, temperature measuring devices such as non-mercury liquid-in-glass thermometers, thermocouples, or platinum resistance thermometers that provide equivalent or better accuracy and precision, that cover the temperature range for thermometer 17C and 17F, may be used.

For particular oils applicable for use with the Ford Cups refer to Table X1. Individual reprints single or satm copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Pull the stopper away and simultaneously start the timing device. ASTM D 2. Originally approved in Care of Cup Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Current edition approved July 1, Determine the time of efflux to the nearest 0. Box 16, State College, Pa.

This standard has been approved for use by agencies of the Department of Defense. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Keep the temperature drift to within A small change in diameter of the ori?

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? If the material is non-Newtonian, that is, shear-thinning or thixotropic, Test Method D should be used. Allow to stand undisturbed for 10 aatm while adjusting further to the desired temperature.

D of Test Method 4. Temperature of Testing 8. A number in parentheses indicates the year of last reapproval. Bring this cup and the liquid viscosity standard to a constant temperature as close as possible to Temperature drift during the test should be kept to a minimum and should not exceed Make the viscosity determination at the end of the min period. Particular care must be exercised in cleaning the ori?

Permission rights to photocopy the standard may also be secured from the ASTM website www. If the ratio of shear stress to shear rate is not constant, the liquid is nonNewtonian. Determinations should be made at a temperature above the dew point of the atmosphere surrounding the apparatus. Measure the time until the? The frequency of this calibration check depends upon the amount of use and the care that the individual cup receives.

Oils available from other sources, having known kinematic viscosities, may also be used. Related Articles.

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