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Calibration Standard for Microplate Readers, Hellma®

With calibration standards from Hellma Analytics, the photometric and wavelength accuracy of microplate readers can be checked. They have the same dimensions as a microplate with 96 wells and a diameter of 6.6 mm per window (height 14.5 x width 125 x length 85.8 mm).

TypeUseMaterialWavelength
nm		Order No.
666-R013Testing the photometric accuracyNeutral density glass filter NG11/NG5/NG4
(absorbtion 0.25/0.5/1.0)		405, 450, 490, 65010 55 16013
666-R113Testing the photometric and the wavelength accuracyNeutral density glass filter NG5/NG4/NG3
(absorbtion 0.5/1.0/1.5)
Holmium oxide glass filter		405, 450, 490, 650
279, 361, 453, 536, 638		10 55 16113