838 Advanced VA Sample Processor

838 Advanced VA Sample Processor
Beställningsnummer: 2.838.0310

Together with the 797 VA Computrace, the 838 Advanced VA Sample Processor is a sample changer for the completely automatic determination of organic additives in electroplating baths using "Cyclic Voltammetric Stripping" (CVS). Series of brighteners or of suppressors can be analyzed one after the other without supervision. The sample rack supplied holds a maximum of 56 samples of a maximum of 11 mL or a maximum of 50 mL.

The 838 Advanced VA Sample Processor is equipped with a flexible method editor for the purpose of adjusting the analysis sequence to the needs of the user. The separate keyboard enables access to the method editor and all other instrument settings. The 838 Advanced VA Sample Processor is remote-controlled by the 797 VA Computrace during the determination of a sample series.

The instrument is supplied together with accessories, sample rack, keyboard and accessories for setting up a complete workplace, although it does not come with rinsing equipment.


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Dimensions in mm (W/H/D) 280/730/500


  • 56 sample vessels of 11 mL each (sample volume: 5 - 11 mL)
  • 56 sample vessels of 50 mL each (sample volume: 25 - 50 mL)


  • Pump type: 2-channel peristaltic pump
  • Pump tubing material: PVC (Tygon®)
  • Speed: ±6.7 rpm - ±100 rpm
  • Pressure: max. 0.4 MPa (4 bar)


  • RS-232 interface
  • Remote interface for the control of the 838 Advanced VA Sample Processor using external devices
  • 3 MSB connectors for Dosinos