HELLMA｜WL Calibration Standards

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HELLMA｜WL Calibration Standards

Model : 666F1-339、666F7W-323

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Specifications

Description	Didymium glass filter	Holmium oxide glass filter
Use	Check the wavelength accuracy in both the UV and visible range	Check the wavelength accuracy in both the UV and visible range
Material	Glass BG 36 of SCHOTT Glaswerke	Glass doped with holmium oxide
Regulatory	USP, ASTM

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