The Rugged, Durable and Reliable YSI Pro20 can easily meet the measurement needs of a wide range of portable dissolved oxygen.The self-replaceable probe and cable, 50 sets of data memory, and the "one-click calibration" function make the operation simpler and more convenient.It is the best choice for laboratory and field dissolved oxygen measurement.

Features

1. The “One-click calibration” function can achieve dissolved oxygen in seconds

2. Calibrate and automatically obtain air pressure compensation

3. Can store 50 sets of data without manual recording

4. Optional polarographic or primary battery sensor

5. Built-in barometer