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ASTM D2983

Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer

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Organization: ASTM
Publication Date: 15 June 2019
Status: active
Page Count: 23
ICS Code (Lubricants, industrial oils and related products): 75.100
scope:

This test method covers the use of rotational viscometers with an appropriate torque range and specific spindle for the determination of the low-shear-rate viscosity of automatic transmission fluids, gear oils, hydraulic fluids, and some lubricants. This test method covers the viscosity range of 300 mPa·s to 900 000 mPa·s

This test method was previously titled "Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer." In the lubricant industry, D2983 test results have often been referred to as "Brookfield2 Viscosity" which implies a viscosity determined by this method.

This test method contains four procedures: Procedure A is used when only an air bath is used to cool samples in preparation for viscosity measurement. Procedure B is used when a mechanically refrigerated programmable liquid bath is used to cool samples in preparation for viscosity measurement. Procedure C is used when a mechanically refrigerated constant temperature liquid bath is used to cool samples by means of a simulated air cell (SimAir)3 Cell in preparation for viscosity measurement. Procedure D automates the determination of low temperature, low-shear-rate viscosity by utilizing a thermoelectrically heated and cooled temperature-controlled sample chamber along with a programmable rotational viscometer.

There are multiple precision studies for this test method.

The viscosity data used for the precision studies for Procedures A, B, and C covered a range from 300 mPa·s to 170 000 mPa·s at test temperatures of -12 °C, -26 °C, and -40 °C. Appendix X5 includes precision data for -55 °C test temperature and includes samples with viscosities greater 500 000 mPa·s.

The viscosity data used for Procedure D precision study was from 6400 mPa·s to 256 000 mPa·s at test temperatures of -26 °C and -40 °C.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

The test method uses the SI unit, milliPascal-second (mPa·s), as the unit of viscosity. (1 cP = 1 mPa·s).

WARNING-Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Use Caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2 Brookfield viscometer and accessories are a trademark of AMETEK Brookfield, Inc, 11 Commerce Blvd., Middleboro, MA 02346,

3 SimAir is a trademark of Tannas Co., 4800 James Savage Rd., Midland, MI 48642,

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D2983
June 15, 2019
Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer
This test method covers the use of rotational viscometers with an appropriate torque range and specific spindle for the determination of the low-shear-rate viscosity of automatic transmission fluids,...
June 15, 2019
Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer
This test method covers the use of rotational viscometers with an appropriate torque range and specific spindle for the determination of the low-shear-rate viscosity of automatic transmission fluids,...
May 1, 2017
Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer
This test method covers the use of rotational viscometers with an appropriate torque range and specific spindle for the determination of the low-shear-rate viscosity of automatic transmission fluids,...
December 15, 2016
Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer
This test method covers the use of rotational viscometers with an appropriate torque range and specific spindle for the determination of the low-shear-rate viscosity of automatic transmission fluids,...
October 15, 2015
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
This test method covers the use of Brookfield viscometers of appropriate torque for the determination of the lowshear- rate viscosity of lubricants. The test may be applied over the viscosity range...
August 1, 2009
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
This test method covers the use of Brookfield viscometers of appropriate torque for the determination of the low-shear-rate viscosity of lubricants. The test is applied over the viscosity range of...
May 1, 2004
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
(Footnote *) This test method covers the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in the...
February 1, 2004
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
(Footnote *) This test method covers the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in the...
August 10, 2003
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
This test method covers the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in the viscosity...
November 10, 2002
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
This test method describes the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in the viscosity...
August 10, 2002
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
(Footnote *) This test method describes the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in...
May 10, 2002
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
This test method describes the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in the viscosity...
August 10, 2001
Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
This test method describes the use of the Brookfield viscometer and a low-temperature bath for the determination of the low-shear-rate viscosity of lubricants. The test may operate in the viscosity...
October 1, 1987
Standard Test Method for Low-Temperature Viscosity of Automotive Fluid Lubricants Measured by Brookfield Viscometer
1. Scope 1.1 This test method describes the use of the Brookfield viscometer for the determination of the low-shear-rate viscosity of automotive fluid lubricants in the temperature range from − 5 to...
October 1, 1987
Standard Test Method for Low-Temperature Viscosity of Automotive Fluid Lubricants Measured by Brookfield Viscometer
1. Scope 1.1 This test method describes the use of the Brookfield viscometer for the determination of the low-shear-rate viscosity of automotive fluid lubricants in the temperature range from −5 to...
August 29, 1980
STANDARD TEST METHOD FOR LOW-TEMPERATURE VISCOSITY OF AUTOMOTIVE FLUID LUBRICANTS MEASURED BY BROOKFIELD VISCOMETER
A description is not available for this item.

References

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