The FHSA-TTL is a sample holder for filters and cuvettes that includes manual attenuation control and an electronic shutter for taking dark readings. As a filter holder, the FHSA-TTL accommodates filters up to 25 mm diameter and 7 mm thick. For cuvette measurements, the holder can be adjusted for 10 mm square cuvettes.
- Versatile – adjustable for optical filters or cuvettes
- Attenuation control – manual attenuation control feature
- Electronic shutter – convenient software control for dark readings