ISO/TC 48/SC 3 - Thermometers

Specifies the physical and chemical characteristics and the marking of thermometric glass and the test methods to be used for the selection of glass for the manufacture of liquid-in-glass thermometers. Does not apply to the glass in parts of the thermometer other than the bulb, e.g. the stem.

Short-stem mercury-in-glass thermometers for use with alcoholometres complying with ISO 4801 (Glass alcoholometers and alcohol hydrometers not incorporating a thermometer) are specified. Type and ranges of thermometers, immersion, material and construction and scale are described.