Download Full Specifications Sheet

Fo, Fm, Fv/Fm, Yield (aka Fv'/Fm')
and more!

Hand-held, Field Portable,
Increadible Accuracy!

Portable OS1-FL
Chlorophyll Fluorometer
The premier instrument in chlorophyll fluorescence research, the OS1-FL provides a wide range of sophisticated test and data analysis. Best of all, it's a fully field portable, self-contained instrument.
8 Winn Avenue   Hudson, NH 03051  Tel: 603-883-4400   Fax: 603-883-4410
USA: sales@optisci.com    International: Intl@optisci.com