Sets options for default temperature and thickness units for the current plant insulation specification file. This dialog box appears when you click Edit > Options or when you create a new plant file.
Temperature units — Allows you to choose the default temperature units, such as F for Fahrenheit.
Thickness units — Lists the available default thickness units, such as in for inches.
The default temperature and thickness units selected in the Options dialog box apply to insulation properties viewed in the Insulation Specification Manager only; the units of those properties displayed in Smart P&ID drawings are determined by the values selected for Temperature and Thickness in the Options Manager Formats table.