YSI 6820 Multiparameter Instrument Weather Stations and especially

and especially

Chemical name and concentration can be viewed on FROG-4000's LCD display

owner's manual

they introduce the next step in the evolution of surface ECA: Reddy  ®

Simple to use

YSI 6820 Multiparameter Instrument Weather Stations and especiallyA cost effective sampling system with 14 parameter reporting capability, the YSI 6820 is ideal for profiling and spot checking in lakes, rivers, wetlands, wells, estuaries, and coastal waters. The YSI 6820 measures nine parameters simultaneously, including dissolved oxygen, using the YSI Rapid PulseTM stirring independent sensor and turbidity or chlorophyll, using a sensor with a self cleaning feature for long deployments, or a standard sensor for