Photometer-System AL450 The Multi Direct is a modern, microprocessor-controlled hotometer with ergonomically designed keypad and large-format graphic display. I is equipped with a wide range of pre-programmed methods (e.g. ammonia, COD, phos hate) based on the proven range of Aqualytic® tablet reagents, liquid reagents,v al tests and powder reagents. The calibration and software-supported control opt ons mean that the unit is also suitable for use as a testing instrument. The sev n standard rechargeable batteries (supplied) ensure easy mobile use. Advantages- ide range of pre-programmed methods - large, graphics display - RS232 interface- ide range of pre-programmed methods - large, graphics display - RS232 interface- d languages via the Internet - 1000 data set memory - custom method recallis als