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General • Inspections

Standardization Record for Rotational Viscometer

Maintaining a standardization record for a rotational viscometer ensures the accuracy, reliability, and consistency of viscosity measurements. It helps in verifying that the instrument is functioning correctly and within acceptable limits. Regular standardization enhances traceability, supports compliance with quality standards and regulatory requirements, and minimizes measurement errors. Additionally, it provides documented evidence of calibration and performance, which is essential for audits, troubleshooting, and maintaining product quality.
Ergon - Lubbock 14842
06/24/2024

Standardization Record for Rotational Viscometer

Maintaining a standardization record for a rotational viscometer ensures the accuracy, reliability, and consistency of viscosity measurements. It helps in verifying that the instrument is functioning correctly and within acceptable limits. Regular standardization enhances traceability, supports compliance with quality standards and regulatory requirements, and minimizes measurement errors. Additionally, it provides documented evidence of calibration and performance, which is essential for audits, troubleshooting, and maintaining product quality.

    Date

    Verified By

    NIST Thermometer used

    Set Temperature 135 degree C

    Time @ 0.5 hr

    Temperature Setting

    NIST Probe

    Time @ 1 hr

    Temperature Setting

    NIST Probe

    Time @ 1.5 hr

    Temperature Setting

    NIST Probe

    Set Temperature 163 degree C

    Time @ 0.5 hr

    Temperature Setting

    NIST Probe

    Time @ 1 hr

    Temperature Setting

    NIST Probe

    Time @ 1.5 hr

    Temperature Setting

    NIST Probe

    Set Temperature 190 degree C

    Time @ 0.5 hr

    Temperature Setting

    NIST Probe

    Time @ 1 hr

    Temperature Setting

    NIST Probe

    Time @ 1.5 hr

    Temperature Setting

    NIST Probe

    Standard Fluid

    Type of fluid

    Lot #

    Expiration Date

    Viscosity Standard

    After temperatures have been verified, apply temperature correction to unit set point and check unit with a certified viscosity standard.

    Unit capable of maintaining test temperatures withing 1.0 degree C

    • Yes
    • No
    • N / A

    Temperature 135 degree C

    Viscosity Standard N450000

    Actual Reading (Visc.)

    % Difference (+/- 2%)

    Maintenance

    Clean the exterior of the thermosel unit with citrus cleaner, removing heat barrier cage if necessary

    • Yes
    • No
    • N / A

    Clean the temp. control box with citrus cleaner

    • Yes
    • No
    • N / A

    Check spindles for chips or burrs, remove and replace from service if damaged

    • Yes
    • No
    • N / A

    Action recommended

    Comments

Source: Ergon - Lubbock 14842 (Community Member)

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