The ASTM #47F Kinematic Viscosity Thermometer, 137.5 to 142.5F has a strict manufacturing tolerance. Accuracy is assured by inspection and testing of samples from each production run. The thermometer is supplied with a statement of compliance to E 1 and E 77 requirements. The ASTM Thermometer is yellow-backed glass with permanent graduations, mercury-filled and individually packed in a cardboard tube.
ASTM Number: 47F
Length: 12.0 (305), in (mm)
Immersion: Total
Range: 137.5 to 142.5F
Division: 0.1F