Chapter 4. ProgrammingTransPort ® PT900 User’s Manual 634.3.3 Pipe LiningIf you entered YES in the LINING box, the LINING MATERIAL, LINING SOUND SPEEDand LINING THICKNESS must be programmed to ensure accurate flow ratemeasurements. From the drop-down list of pipe linings supported by the PT900transmitter, select the pipe lining for your application. For convenient reference, thelist of available options is shown in Table 4 below.Important: The lining sound speed is automatically entered, based on the selectedlining material. If OTHER is selected for the pipe lining, be sure toenter the correct sound speed for your specific pipe lining.Complete the lining programming by entering your LINING THICKNESS.Table 4: Available Pipe LiningsMaterial Description Material DescriptionOther Any material Mortar MortarTar Epoxy Tar Epoxy Rubber RubberPyrex Glass Pyrex Glass Teflon TeflonAsbestos Cement Asbestos Cement