Touch Screen Microprocessor Flame Photometer Four Element measurement In a single aspiration Na & K as standard, Li, Ca & Ba optional at extra cost. Calibration curve fit routines first order and second order. Data displayed in concentration units i.e. ppm & meq, automatic filter selection; auto calibration feature. Printer attachment, PC connecting compatibility, Sample data storage more than 500 results. Password protected data login facility., Curve calibration using up to 5 standard, Multiple calibration curve saving facility, Stainless steel burner. Auto Gas Cut off in case of power failure.