Archived UV-VIS detectors.
Small unit measured at wavelength 254 nm
Small unit measured at wavelength 254 nm
For 254 nm with build in recorder
Four cells, 190 up to 360 nm, build in recorder
Two wavelength in one cell 200 up to 320 nm
Two wavelength in one cell 200 up to 320 nm without keypad
Two wavelength (200 up to 320 nm) in one external cell