YSI 5935204 6050020 Pro20 Dissolved Oxygen Meter, waterproof

The ysi professional Series provides plug-and-play capabilities to give you a meter with as much functionality as needed. Build your own system by ordering the meter, probes), and cables) you need without having to purchase additional meters or unnecessary accessories. Easy-to-use meters feature graphic display with detailed messages and instructions that translate to less time reading manuals. Rugged rubber Over-molded case protects meters during use. Meters are IP67-rated and are waterproof, even without the battery lid. The do meters accept either classic polarographic or "instant-on" galvanic do sensors with screw-on membrane caps for ease of maintenance. These meters also feature selectable two-point do calibration and automatic barometric compensation for greater accuracy. Modular meters allow configuration to your specific application combine meter, probes, and cable lengths to meet your needs handheld meter offers menu-driven software for added convenience backlit graphic display and keypad order probes and cables separately.