... liquefied petroleum gas.² Standard accessories: air-compressor, PC software or micro-printer.² LCD Display, touch panel with ... calibration curve can be saved.² RS232 interface, external computer or printer. With a mist separator.Technical Specifications: ModelAP1500AP1401AP1402AP1301AP1302AP1200MeasurementRangeK ... Photometer/Spectrophotometer (With Air-compress, PC software, can test K,Na,Li,Ca,Ba)