LARK calibration filters are an essential accessory for spectrophotometer users. Designed for frequent use, the filter elements are mounted in a standard cuvette sized holder which protects the filter element for damage due to handling.
- Calibrated using NIST certified standards
- Optical density and wavelength standards
- Absorptive filters for visible spectrum
- Metallic filters for UV-visible spectrum
- Blank filter holder for dual-beam balance