Definitions

Psig (Gauge Pressure) (Ib/in²):

A measure of pressure in psi that is referenced to atmospheric pressure.

Psia (Absolute Pressure) (Ib/in²):

A measure of pressure in psi that is referenced to zero absolute pressure.

Psid (Pressure Differential) (Ib/in²):

A measure of the difference between two pressures.

Process Connection:

The size and type of the connection to your system.

Dewpoint:

The Temperature to which the air or gas must cooled before the onset of condensation or frost.