Certified UV / Vis reference materials for the validation of spectrophotometers. Spectrophotometer can only provide accurate and reliable results over a longer period when they are checked regularly. Therefore the Hellma
® Analytics calibration laboratory, accredited acc. to DIN EN
ISO 17025, offers ready-for-use and DAkkS certified reference materials. They are traceable to the primary standards of the
NIST (National Institute of Standards and Technology) and comply with the requirements of the major pharmacopoeias (
EP, DAB,
USP).
With the purchase of certified reference materials of Hellma
® Analytics the user benefits from a clean, simple and efficient solution to check the spectrophotometer.
- Outside dimensions (H x W x D): 48 x 12.5 x 12.5 mm.
Glass filter set type 666-S000 for checking photometric accuracy (neutral density glasses) and wavelength accuracy (Holmium glass), set consisting of: F0, F1, F2, F3, F4; one reference filter (F0), 3 neutral density glass filters (F2, F3, F4) with the absorptions: 0.25 / 0.5 / 1.0 certified at wavelengths: 440; 465; 546.1; 590; 635 nm and one Holmium glass filter (F1) certified at wavelengths: 279; 361; 453; 536; 638 nm, in high quality storage box with DAkkS calibration certificate.