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    ASTM D2162 - 21

    Standard Practice for Basic Calibration of Master Viscometers and Viscosity Oil Standards

    Active Standard ASTM D2162 | Developed by Subcommittee: D02.07

    Book of Standards Volume: 05.01


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    Significance and Use

    5.1 Because there are surface tension or kinematic viscosity differences, or both, between the primary standard (7.4) and kinematic viscosity standards (7.5), special procedures using master viscometers are required to “step-up” from the kinematic viscosity of the primary standard to the kinematic viscosities of oil standards.

    5.2 Using master viscometers calibrated according to this practice, an operator can calibrate kinematic viscometers in accordance with Specifications D446.

    5.3 Using viscosity oil standards established in this practice, an operator can calibrate kinematic viscometers in accordance with Specifications D446.

    1. Scope

    1.1 This practice covers the calibration of master viscometers and viscosity oil standards, both of which may be used to calibrate routine viscometers as described in Test Method D445 and Specifications D446 over the temperature range from 15 °C to 100 °C.

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

    1.2.1 The SI-based units for calibration constants and kinematic viscosities are mm2/s2 and mm 2/s, respectively.

    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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see Section 7.

    1.4 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. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D446 Specifications and Operating Instructions for Glass Capillary Kinematic Viscometers

    D1193 Specification for Reagent Water

    D1250 Guide for the Use of the Joint API and ASTM Adjunct for Temperature and Pressure Volume Correction Factors for Generalized Crude Oils, Refined Products, and Lubricating Oils: API MPMS Chapter 11.1

    D1590 Test Method for Surface Tension of Water

    E563 Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature

    E644 Test Methods for Testing Industrial Resistance Thermometers

    E1750 Guide for Use of Water Triple Point Cells

    E2593 Guide for Accuracy Verification of Industrial Platinum Resistance Thermometers

    E2877 Guide for Digital Contact Thermometers


    ICS Code

    ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)

    Referencing This Standard
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    DOI: 10.1520/D2162-21

    Citation Format

    ASTM D2162-21, Standard Practice for Basic Calibration of Master Viscometers and Viscosity Oil Standards, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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