YSI 9800 Photometers ²⁶ 2013 Both models feature reinforced thumb

Both models feature reinforced thumb and index finger areas for handling raptors

Low-positioned coaxial stage movement control knobs

Simply fill the included reusable bag with any water source

As a group

5X-180X Magnification Type Zoom Objective Lens Power 0

YSI 9800 Photometers ²⁶ 2013 Both models feature reinforced thumbSimplify Your Water Quality Testing: YSI 9800 Portable Multiparameter Photometer Reliable performance and accurate measurements in the lab or field, with a modern touch interface and durable IP67 design. The YSI 9800 Photometer is a portable multiparameter instrument designed to quickly analyze over 30 water quality parameters in the field or laboratory. With an intuitive interface, color touchscreen, and rugged design, its ideal for professionals of