The ASTM #1F General Lab Thermometer, 0 to 302F 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: 1F
Length: 12.7 (322), in (mm)
Immersion: 3 (76), in (mm)
Range: 0 to 302F
Division: 2.0F