YSI Model 9300 Photometer Kit

Eliminates sample preservation by allowing you to perform on-site analysis! Features include 100+ test choices directly on the display; direct-reading concentrations with automatic set-up; on-screen instructions; a large, backlit graphic display; and multiple languages. Ready for testing after color develops for 5 to 10 minutes. Waterproof, floats, and meets IP-67 standards.