1.Measuring range: 0 ~ 200.0 ug/L, 0 ~ 20.00 mg/L 2.Resolution: 0.1 ug/L, 0.01mg/L The main functions and features:1. The large LCD display2. Many parameters display at the same time:dissolved oxygen value, temperature, output current, alarm point shows , intuitive and easy to read, and a range transfinite tip.3. Screen display alarm state and at the same time with switch ON/OFF signal output.4. ...