Thermo Scientific Eutech PD 450 is a deluxe waterproof GLP-compliant portable pH/ORP/ISE/Dissolved Oxygen meter that offers 0.002/0.01 pH/2% accuracy, single or multi-point auto calibration with custom standards, salinity and barometric pressure auto correction, password protection, setpoint alarms, data-logging options, 500 memory, backlit dot matrix display, stability criteria, auto data-hold, auto power-off, electrode diagnosis and wireless data output. Unit comes with protective rubber skin, foldable hinge and mains-powered option for benchtop use. Kit includes meter, pH electrode, DO probe, datalog PC software (CD), calibration solutions and hard case.