... * Using the US Electrode * Store up to 99 data sets SELON903 meter used for measuring the Conductivity, TDS, Salinity, ... the calibration solution does not match the meter's indicated value, an ERROR message is displayed.Automatic Temperature Compensation:SELON903 ... 0 to 40°C, 32 to 104°F, AutomaticSalinity Correction: 0 to 35g/LBarometric Pressure Correction: 450 to 850mmHg, 60 to 112.5kpaCalibration ...