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G SERIES VISCOSITY STANDARDS
All viscosity standards are packaged in sealed, dark glass bottles. Net content of each bottle is 0.47
Liter (1 Pint). The product label provides the Standard Name, Lot No., Termination Date, Viscosity in
Centistokes at 25.00°C (77.00°F)* and a statement that the standard "is prepared expressly for Paul
N. Gardner Co., Inc." by the Cannon Instrument Company and that data on the standard is traceable
to the National Institute of Standards and Technology. A Material Safety Data Sheet (M.S.D.S.)
accompanies each bottle of oil.
* With the exception of the Parlin Cups whose Viscosity in Centistokes is measured at 23°C.
Recommended use of a standard oil to check the calibration of a Gardco produced viscosity cup is as
follows: Conversion formulas are either provided with the cup to be checked or are available for the cup.
Use of standard oils available from Paul N. Gardner are NOT recommended for use with cups
produced by other suppliers unless the conversion formula between centistoke viscosity and efflux time
as well as cup production tolerance for the particular cup in question has been furnished.
GARDCO VISCOSITY CUPS
These standard oils are prepared expressly by the
Cannon Instrument Company, an ISO/IEC 17025
accredited calibration lab, for the Paul N. Gardner
company and are produced in accordance with the
requirements and guidance of ISO 17034 and ISO 9001.
These standards provide the greatest possible
accuracy in viscosity measurements with Gardco
produced and calibrated viscosity cups. A list of "G"
Series viscosity standards is available for periodic
checking of these measuring instruments. See list on
following page.
PACKAGING - LABELING
USE OF STANDARD OILS
IMPORTANT LIMITATIONS
Paul N. Gardner • www.gardco.com • (954) 946-9454
FOR USE WITH
VISCOSITY
9
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