YSIŽ Pro20 Dissolved Oxygen Meter

Accurate, rugged and dependable.

Hand-held Pro20 Dissolved Oxygen Meter is menu-driven and easy to use. It gives you selectable two-point DO calibration and is waterproof even without the battery lid. Automatic barometric pressure compensation improves accuracy. Graphic display and keypad are backlit for easy reading. Battery level is continuously displayed. Requires two alkaline C batteries, included. Rubber over-molded case stands up to rugged field use. Choose the Galvanic DO Probe for instant on or the classic Polarographic DO Probe for tried-and-true performance.

Compliance: IP67 rated.