DissolvedOxygenRange測量范圍0to19.9mg/lorppmResolution Accuracy精度0.01mg/l,0.1ppm ±1.5%FullScale%SaturationofOxygen0.0to199.9%Resolution Accuracy0.1% ±1.5%FullScaleTemperatureRange溫度范圍0.0to50.0°CResolution Accuracy溫度精度0.1°C ±0.5°CSalinityCorrection鹽度補償0.0to50.0pptBarometricPressureCorrection500to1499mmHgor66.6to199.9kPAMethodManualinputforautomaticcorrectionNo.ofCalibrationPointsUpto2points;100%inairand/or 0%inknownsolutionMemory100setsSpecialFunctionsAveraging/Stability;Self-diagnostic; Electrodecharacteristics; Hold Auto-PowerOffafter20minutes PowerRequirements4x1.5Vbatteries; 700hrsor9VDCpoweradapter