ASTM-D2983 2009

$44.96

D2983-09 Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer

Published By	Publication Date	Number of Pages
ASTM	2009	14

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Category: ASTM

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Description

ASTM D2983-09

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 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 500 to 900 000 mPa·s within a low temperature range appropriate to the capacity of the viscometer head.

1.2 The range of viscosity used to generate the precision data for this test method was from 1000 to 900 000 mPa·s. Appendix X4 lists another interlaboratory study that specifically targeted hydraulic fluid ranging from 500 to 1700 mPa·s.

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

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

Keywords

Brookfield viscometer; Gear oils (GO); Low-temperature testing–petroleum products/applications; Lubricating oils; Temperature tests–petroleum products; Viscosity–petroleum products

ICS Code

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

DOI: 10.1520/D2983-09

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus FIG. 1 FIG. 2
3	FIG. 3 FIG. 4
4	Use of Reference Fluids Procedures for Different Cooling Approaches TABLE 1 TABLE 2
7	Selection of r/min
8	Calculation Report Precision and Bias
9	A1. USE OF THE BROOKFIELD VISCOSITY VERSUS TEMPERATURE RELATIONSHIP INTERPOLATION OF DATA A1.1 A1.2 A1.3 A2. TYPICAL SAMPLE COOLING RATES IN BROOKFIELD AIR CABINETS A2.1 A2.2 A2.3 A2.4 A3. CALIBRATION OF SPINDLES WITH A NEWTONIAN REFERENCE FLUID A3.1 A3.2
10	A3.3 Choice and Use of Reference Fluid for Calibration A3.4 A3.5 Calibration Technique A3.6 Calculation and Use of Calibration Factor TABLE A3.1
11	A3.7 A4. ESTIMATION OF APPARENT RUN TEMPERATURE FROM OBSERVED BROOKFIELD VISCOSITY OF A NEWTONIAN REFERENCE FLUID A4.1 A4.2 Known Calculation Constants A4.3 Calculations FIG. A3.1
12	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
13	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 X4. DETERMINATION OF THE VISCOSITY OF HYDRAULIC OILS X4.1 X4.2 FIG. X1.1
14	X4.3 Precision

Additional information

Standard Title	D2983-09 Standard Test Method for Low-Temperature Viscosity of Lubricants Measured by Brookfield Viscometer
Published Code	ASTM
Publication Date	2009
Pages Count	14