Hook-up drawing is a detailed drawing showing typical installation of instrument in a correct manner so that instrument operates properly (gives accurate indication and prevent any issued which could potentially affect the measurement such as liquid trap in gas impulse line).

What is a GA drawing?

A GA Drawing stands for General Arrangement Drawing; it is used to communicate the important overall relationship between the main elements of the tank and key dimensions. This drawing acts as a gateway between the designer, in this case, Fuelchief and the customer.