Dynamic Viscosity Reference Standards

National Institute of Standards and Technology (NIST) approved kinematic viscosity reference standards for calibration and verification of all type of viscometers.

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  1. General Details

    National Institute of Standards and Technology (NIST) approved dynamic viscosity reference standards for calibration and verification of glass capillary viscometers, automated kinematic viscometers, rotational viscometers, falling ball viscometers, cup viscometers, tapered bearing simulator viscometers and flash point testers.

    Traceability

    All  dynamic viscosity reference standards are traceable to a NIST calibration and prepared in ISO 9001-registered, A2LA ISO 17025 and Guide 34 accredited laboratories according to the ASTM D2162 standard.

    Viscosity Reference Standards Table

    Dynamic Viscosity – mPa•s (Centipoise)

    20°C (68°F)

    25°C (77°F)37.78°C (100°F)40°C (104°F)50°C (122°F)60°C (140°F)80°C (176°F)98.89°C (210°F)

    100°C (212°F)

    N.4 (b)

    0.420.400.350.34
    N.8 (b)0.640.600.520.51

    N1.0(b)

    0.930.860.720.700.62

    N2

    2.22.01.61.51.30.840.670.66
    S3 (a)3.93.32.52.41.91.20.9

    0.9

    N4

    5.24.53.33.12.51.41.11.1
    S6108.05.35.03.82.01.5

    1.5

    N7.5

    119.56.35.94.52.41.71.7
    N1021169.58.86.32.92.1

    2.0

    N14

    242012118.23.82.72.6
    S2037291715114.63.0

    3.0

    N26

    47372220146.24.14.0
    N3575563027187.14.5

    4.4

    N44

    92713936249.56.05.9
    S60140105524730106.4

    6.2

    N75

    160125686141169.59.2
    N100280200958452169.5

    9.2

    N140

    34025013012074251514
    S200460330160145902516

    14

    N250

    650480230210130412323
    N3508306002802501504026

    24

    N415

    1200830390350210623433
    S600 (c)150011004904402607541

    40

    N750

    220016007106203701005553
    N100029002000800460280120

    65

    N1400

    43003000120068042018092
    S2000730047001700140070014062

    59

    N2500

    7100510021001200780350180
    N4000170001100029001400730250

    100

    N5100

    2500016000450021001100360140
    S80003300020000700059002800450

    240

    N10200

    5200032000900042002100660250
    N1500068000410001100054002600840

    320

    N18000

    920005700016000750038001140420
    S3000071000230002000093001400

    540

  2. Standards
    • ASTM D2160
    • NIST (National Institute of Standards and Technology)
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