ABB PGS100 - Commissioning (Continued); Pressure Sensor Ventilation

20 PGS100 AND PAS100 | PRESSURE TRANSMITTERS | OI/PGS/PAS100-EN REV. A
...6 Commissioning
Pressure sensor ventilation (PGS100 only)
Transmitter has a reference port vented to the atmosphere and
duly protected. Care must be taken to avoid obstruction of the
port (i.e. covered, dirty) as it can affect the measurement.
Ventilation
port