Kinematic Viscosity Reference Standards
National Institute of Standards and Technology (NIST) approved kinematic viscosity reference standards for calibration and verification of all type of viscometers.
- General Details
National Institute of Standards and Technology (NIST) approved kinematic 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 kinematic 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
Kinematic Viscosity – cSt (mm2/s) 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) 0.47 0.45 0.41 0.40 – – – – – N.8 (b) 0.74 0.70 0.61 0.60 – – – – – N1.0 (b) 1.3 1.2 1.0 0.97 0.91 – – – – N2 2.9 2.6 2.1 2.0 1.7 – 1.2 0.95 0.94 S3 (a) 4.6 4.0 3.0 2.9 2.4 – 1.5 1.2 1.2 N4 6.7 5.8 4.2 4.0 3.2 – 1.9 1.5 1.5 S6 11 8.9 6.0 5.7 4.4 – 2.4 1.8 1.8 N7.5 14 12 8.0 7.5 5.8 – 3.1 2.3 2.3 N10 21 17 11 10 7.3 – 3.5 2.7 2.7 N14 30 25 15 14 10 – 5.0 3.5 3.4 S20 44 34 20 18 13 – 5.6 3.9 3.8 N26 57 46 27 25 18 – 7.9 5.3 5.2 N35 87 66 35 32 21 – 8.5 5.4 5.3 N44 110 86 48 44 30 – 12 7.7 7.5 S60 160 120 60 54 35 – 12 7.7 7.5 N75 200 150 82 75 50 – 19 12 12 N100 330 230 110 97 60 – 19 11 11 N140 400 300 160 140 90 – 31 19 18 S200 550 400 200 180 110 – 35 22 20 N250 770 570 280 250 160 – 51 30 29 N350 1000 720 340 310 190 – 55 34 32 N415 1400 990 470 415 250 – 77 43 41 S600 (c) 1700 1300 590 520 310 – 93 51 50 N750 2600 1900 850 750 440 – 130 68 66 N1000 3400 2400 – 940 550 350 150 – 80 N1400 5100 3600 – 1400 820 510 220 – 120 S2000 8300 5300 1900 1600 800 – 160 75 72 N2500 8400 6000 – 2500 1500 950 430 – 230 N4000 20000 12000 – 3400 1600 850 290 – 120 N5100 28000 18000 – 5100 2500 1300 420 – 170 S8000 41000 25000 8000 6700 3200 – 530 – 240 N10200 58000 36000 – 10200 4900 2500 775 – 300 N15000 77000 47000 – 13000 6100 3000 980 – 360 N18000 103000 64000 – 18000 8500 4300 1320 – 500 S30000 – 79000 28000 23000 11000 – 1700 – 630 - Standards
- ASTM D2160
- NIST (National Institute of Standards and Technology)
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