Saybolt Viscometer Calibration
The Saybolt Viscometer is used to measure the viscosity of petroleum products and lubricants. Calibration ensures accurate and reliable results according to ASTM D88 or other relevant standards.
AA - Roanoke
03/05/2025
Saybolt Viscometer Calibration
The Saybolt Viscometer is used to measure the viscosity of petroleum products and lubricants. Calibration ensures accurate and reliable results according to ASTM D88 or other relevant standards.
Timer S/N
Caliper S/N
Standard Lot #
Calibration Factor
Saybolt Viscometer
Procedure E-260/AASHTO T-59
Tube #
Run #1 (seconds)
Run #2 (seconds)
Average
Calculated Factor
Tube #
Run #1 (seconds)
Run #2 (seconds)
Average
Calculated Factor
Tube #
Run #1 (seconds)
Run #2 (seconds)
Average
Calculated Factor
Tube #
Run #1 (seconds)
Run #2 (seconds)
Average
Calculated Factor
Maintenance Items
Assure correction factor is 2% or less (0.980 to 1.020). Tubes with correction factors over 1 cannot be used for reference testing
Oil level should be at least 6 mm above the overflow rim of the viscometer
Visually inspect tips to make sure they are clean and not damaged or deformed
Check viscometer for evidence of corrosion
Inner surface of tube smooth and clean
Replace corks as needed
Bottom of tube 10-13 cm from flasks graduated mark
Action Recommended
Comments
Source: AA - Roanoke (Community Member)