TekValSys GC


A unique and comprehensive Condition-Based validation software package for Gas Chromatographs (GCs), comprising GCAS software and Panel PC for hazardous or safe areas.
As an automated, condition-based monitoring software, TekValSys GC:

  • Provides real-time assurance that the GC is operating correctly
  • Analyzes historical data to identify changes and predict future failures
  • Reduces the need for conventional maintenance and unnecessary costs
  • Determines dynamic GC uncertainty for quantification of GC performance
  • Validates that the pressure let-down system provides a representative sample
  • Creates a fully auditable database of GC performance
  • Helps to support and increase a technician’s competence level

TekValSys GC validates the gas chromatograph’s performance by detecting:

  • Calibration Gas Errors
  • Gas Chromatograph Leakage
  • Column Deterioration
  • Valve Timing Issues
  • Poor Handling Procedure
  • Heavy End Drop Out
  • Fault in Repeatability Test Interpretation
  • Fault in Control Chart Interpretation
  • Fault in Composition Comparison

TEKVALSYS GC Desktop requires:

  • Microsoft Windows Vista, Windows 7, Windows 8, Windows 8.1, or Windows 10. Also please note that Windows XP is no longer supported.
  • Microsoft .NET Framework 4.0. This is available from here. Windows 8.1 and 10 have included .NET Framework 4 (even 4.5) therefore no need to install .NET Framework unless the setup package tells you.
  • Microsoft SQL Server Compact Edition (CE) version 4.0. This is available from here.
  • Microsoft Visual C++ 2010 Runtime redistributable x86. This is available from here.
  • Internet connection, preferred.
  • 1280 x 720 screen resolution.

When TekValSys is first installed it takes an accurate ‘footprint’ of your GC to use as a healthy set of reference conditions. Existing issues would be detected during this initial installation process.

Once the ‘footprint’ is set up, TekValSys will monitor the calibration gas and analyze data (ideally via Modbus) to confirm accurate and error free performance. TekValSys can analyse the GCs calibration data automatically with no manual intervention required by the on site technician.

TekValSys captures response factor and retention time data following each calibration and plots correlation charts to illustrate the GCs current performance. All calibration data is historically stored and this can be referred to by the technician, operator and regulator for auditing and validation purposes.

TekValSys can be installed by the end user and doesn’t require you to call out a GC specialist. TekValSys is a Windows application and is therefore compatible with most standard desktop and laptop PCs.

Advanced technological development makes us capable of measuring almost anything but accuracy can only be achieved by selecting the right instrument and measuring the right parameters.


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