pH Meters Dissolved Oxygen Model D45 Model 245D Model 235D Model 225D Model 215D Model 29D

Model 225D DO/O2/Air/TEMP Meter

• Clear custom LCD display

• Automated temperature compensation (ATC)

• Compensations for salinity and altitude by manual inputs

• Push-button type automatic O₂ calibration – simple to use

• Saves most recent calibration data for direct measurement

• Internal diagnosis for normal operation check

• Highly sensitive polarographic type electrode

• Current time setting function

• Two-way RS232C communications