WDO-50 use a polarographic electrode to measures dissolved oxygen in water, it can display the oxygen level as % saturation from 0 to 200% or concentration from 0 to 20ppm (mgL)....
Lutron DO-5510HA Dissolved Oxygen Meter Measures Dissolved Oxygen, O2, Temperature and its Microprocessor circuit assures high accuracy and provides special functions and features multi-display, show oxygen & Temp. at the same time. Features: •...
Lutron DO Meter polarographic type oxygen probe comes with an incorporated Temp. sensor, high precision measurement for Dissolved Oxygen(DO), Oxygen in air(O2) & Temp. measurement. Features: 1.Heavy duty dissolved oxygen probe, probe head size...