Metrohm AG

- Model 946 - Portable VA Analyzer (scTRACE Gold)



Portable metal analyzer for the determination of heavy metals such as arsenic, mercury, copper, lead, zinc, nickel, cobalt, iron, bismuth or antimony in the trace range. Instrument version for the scTRACE Gold. The system is comprised of potentiostat and separate measuring stand with integrated stirrer and replaceable electrode. The instrument is operated with the Portable VA Analyzer software. The power is supplied via the USB connector and via the integrated rechargeable battery. The instrument is supplied with all required accessories in a carrying case.

  • Dimensions in mm (W/H/D): 132/36/100
  • Dimensions remark: Potentiostat


  • Sweep potential range: ±4 V
  • Max. measured current: ±40 mA
  • Resolution of measured current (in the smallest measuring range): 1 pA

Current measurement techniques

  • DP ('Differential Pulse')
  • SQW ('Square Wave')
  • LS ('Linear Sweep')

Calibration techniques

  • Standard addition


  • scTRACE Gold
  • Screen-printed electrodes (SPE) with separate measuring head


  • Integrated USB interface
  • Proprietary connector for the measuring stand
  • Connector for control lines

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