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Item Code: FVA-UV



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Ocean Insight offers a variety of accessories for controlling and attenuating the light in your spectrometer sampling setups. Options include fiber optic switches, shutters and variable attenuators.




  • Fiber optic switch -- routes and controls light in a spectrometer configuration comprising a single source
  • Electronic shutter -- installs between two collimating lenses and allows you to block the light path for dark measurements 
  • Attenuator -- opto-mechanical device that helps control the amount of light (signal) transmitted between two fibers


Subject to change depending on model type


Adjustment Wheel Adjustment:
3.81 mm diameter @ open position; 1.52 mm @ 90% rotation
Attenuation Wavelengths:
~200-2000 nm
SMA 905
Adjustment Wheel Lock:
6/32 Nylon thumb screw
38.1 mm x 59.4 mm x 40 mm
90 g