Spectrophotometer Verification

Gerard Scientific can verify your spectrophotometer

We have recently invested in a Neutral Density and Holmium calibration kit from Hellma Germany for calibration checking single cell spectros with a 10mm square cuvette holder.

  • Halogen lamp replacements
  • Cell cleaning
  • Internal cleaning of fans, circuit boards, filters etc
  • Startup procedure checks
  • Absorbance / Transmittance accuracy via Neutral Density Filters
    • 440nm
    • 465nm
    • 546.1nm
    • 590nm
    • 635nm
  • Wavelength accuracy F1 Holmium Filter
    • 279.25nm +/- 0.20
    • 360.80nm +/- 0.20
    • 453.55nm +/- 0.20
    • 536.40nm +/- 0.20
    • 637.70nm +/- 0.20

Hellma UV-VIS Calibation Standards

  • Absorbance 0.5A
  • Absorbance 1.0A
  • Blank
  • Holmium

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