Hellma 666-F1 Calibration Holmium Glass Filter Kalibrierstandard UV/VIS DAkkS

Artikelnummer: 1900

Kategorie: Spektrometer (UV / VIS / NIR)

238,00 €

inkl. 19% USt. ,

momentan nicht verfügbar

Manufacturer: Hellma Analytics

Model: 666-F1 Holmium Glass Filter

Ident.No: E998


The holmium glass filter type 666-F1 shows a series of small, well defines peaks in the UV and Vis range. Due to this characteristic, holmium is well suited to check the wavelength scala of spectralphotometer. In contrary to the holmium liquid filter, the holmium glass filter has a bland spectrum with fewer peaks. Especially in the lower UV range the absortion properties of the glass matrix overlay the holmium peaks.

Because the exact positions of the holmium peaks vary slightly for each production batch (movement due to the glass matrix), the filters are calibrated individually.

Technical Data:

Article-no.: 666F1-339
Application: Assessment of wavelength accuracy in both UV- and visible range
Content: Holmium glass filter in metal frame
Standard certification: Wavelength accuracy at: 279, 361, 453, 536, 638 nm
                            Slit width: 1 nm
                            with DAkkS calibration certificate
Possible certifications: Further wavelength: 287; 418; 445; 460 nm
                            Slit width: all until 2 nm

Items delivered:

- Hellma 666-F1 Holmium Glass Filter
- Tranport Case
- Brochure

The holmium glass filter is in perfect cosmetic as well as functional condition.

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