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How to Zero a Flow or Pressure Sensor in EPC Modules

This Information Applies to: Agilent GC systems. Issue The EPC gas control modules contain flow and pressure sensors that are calibrated at the factory. Zero offset requires periodic updating. Zeroing flow or pressure sensors may resolve discrepancies...
Agilent Thermal Conductivity Detector Settings

This Information Applies To: Agilent 6850, 6890, 7820, 7890, 8850, 8860, 8890, Intuvo 9000 GC Systems with a Thermal Conductivity Detector (TCD) Issue The TCD temperature, column (carrier), makeup, and reference flow rates need to be optimized to...
Replacing the Ignitor on a GC FPD Detector

This Information Applies To: Agilent 6890, 6850, 7890, 8890, 8860, Intuvo 9000 GC systems. Issue The exchange of the ignitor in a Flame Photometric Detector (FPD) may be required in the following scenarios: Preventive or periodic maintenance...
Agilent GC Firmware Update Procedure

This Information Applies To: All Agilent GC systems, Headspace Samplers, and Automatic Liquid Samplers. Issue: Sometimes there maybe a need to upgrade the Agilent GCs, ALSs, or headspace samplers firmware versions to meet the requirement of a software...
Troubleshooting Needle Bending in GC Automatic Liquid Samplers

This Information Applies To: Agilent GC Automatic Liquid Samplers Issue Unusual issues can occur to a syringe: needle bending during sample injections. Resolution Ensure optimal system performance by considering the following options: Vials...