User guide

153
Agilent 7890A Gas Chromatograph
Advanced User Guide
Agilent Technologies
7
Flow and Pressure Modules
About Flow and Pressure Control 154
Maximum operating pressure 154
PIDs 155
Inlet Modules 156
Detector Modules 157
Pressure Control Modules 158
Auxiliary Pressure Controllers 161
Restrictors 162
1. Using an Aux epc channel to supply purge gas to a splitter 163
2. Using the PCM channels 163