The ASTM #7F Distillation Thermometer, 30 to 580F 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: 7F
Length: 15.1 (384), in (mm)
Immersion: Total
Range: 30 to 580F
Division: 2.0F