... ,Polarimeter,Whiteness Meter, Turbidity Meter,Refractometer, Colorimeter,ph A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer ... & calibration curve can be saved.² RS232 interface, external computer or printer. With a mist separator.Technical Specifications: ModelAP1500AP1401AP1402AP1301AP1302AP1200MeasurementRangeK: 0-100ppm;Na ...