ASTM-D2983 2004

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D2983-04a Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer

Published By	Publication Date	Number of Pages
ASTM	2004	11

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Description

ASTM D2983-04a

Historical Standard: Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer

ASTM D2983

Scope

1.1 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 range of 500 to 1 000 000 mPas (cP). The bath-controlled temperature is selected within the range of +5 to -40°C.

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

1.3 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.

Keywords

oils-lubricating; gear, apparent viscosity; temperature tests-petroleum products; viscosity of automotive fluid lubricants at low-temperature; Brookfield viscometer

ICS Code

ICS Number Code 75.100 (Lubricants, industrial oils and related products)

DOI: 10.1520/D2983-04A

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus Use of Reference Fluids FIG. 1
3	Procedure FIG. 2
4	TABLE 1
5	RPM Selection Calculation Report Precision and Bias TABLE 2
6	A1. DETERMINATION OF THE BROOKFIELD VISCOSITY VERSUS TEMPERATURE FUNCTION OF AUTOMOTIVE FLUID LUBRICANTS A1.1 A1.2 A1.3 A1.4 A1.5 A2. TYPICAL SAMPLE COOLING RATES IN BROOKFIELD AIR BATHS A2.1 A2.2 A2.3
7	A3. USE OF A NEWTONIAN REFERENCE FLUID TO MONITOR BROOKFIELD VISCOMETER PRECISION A3.1 Abstract A3.2 Known Calculation Constants A3.3 Calculations A4. ESTIMATION OF APPARENT RUN TEMPERATURE FROM OBSERVED BROOKFIELD VISCOSITY OF A NEWTONIAN REFERENCE FLUID A4.1 A4.2 A4.3 Calculations
8	A4.4 Example A4.5 Interpretation X1. LOW-TEMPERATURE, LOW-SHEAR-RATE BEHAVIOR OF NON-NEWTONIAN AND NEWTONIAN FLUIDS IN BROOKFIELD VISCOMETRY X1.1 X1.2 X1.3 X1.4 X1.5 X1.6 X1.7
9	X2. TYPICAL REFERENCE FLUID VISCOSITIES X2.1 X3. SHEAR STRESS AND SHEAR RATE FORMULAS FOR BROOKFIELD LV VISCOMETERS WITH LV-4 SPINDLES X3.1 X3.2 FIG. X1.1
10	X4. DETERMINATION OF THE VISCOSITY OF HYDRAULIC OILS X4.1 X4.2 X4.3 Precision

Additional information

Standard Title	D2983-04a Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
Published Code	ASTM
Publication Date	2004
Pages Count	11