Standards for spectrophotometer calibration

Supplier: HELLMA

666F2-39 666F3-38 666S000 666R013 666S004 666S005
634-9694EA 542 EUR
634-9694 634-9695 634-9691 634-0999 HELL666S004 HELL666S005
Standards for spectrophotometer calibration
Standards Colour Reference and Spectroscopy Standards

This calibration set consists of three grey glass filters for checking absorbance accuracy, and a holmium oxide glass filter for checking wavelength accuracy.


  • Glass filters mounted in precision aluminium frames
  • Set number engraved on each filter mount for identification purposes


They are designed for use with the standard 10 mm cell holder provided with spectrophotometers.


The absorbance values and/or peak position wavelengths of each filter are quoted in the accompanying DAkkS calibration certificate.


Delivery information: The set, along with an empty mount, is supplied in a sturdy carrying case.

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