Syntron controls offersrange of instruments which are used for a variety of control, alarm and tripping applications. The instruments serve to replace other, more expensive equipments. These digital meters are exclusively developed at syntron for utter reliability under industrial conditions. The kw [and mw] and kvar [and mvar] meters employ a true 4-quadrant multiplier exclusively developed in-house for accurate true rms measurement. Following are some electrical features of the digital meters : ammeters - direct reading 0-5 a ac or dc, ct operated ac, shunt operated dc; voltmeters - direct reading 0-600 v ac or dc, pt operated ac; frequency meters - 40.0 to 60.0hz; meters for process - 4-20 ma and 0-5 vs dc for use with process transducers; power factor meters single-phase single element, three phase single element, three phase double element and three phase triple element for lt as well as ht use. Digital meters series dm2000 is also provided by syntron controls. The instruments are in 96 sq.Mm din flush mount enclosures [panel cut out 92 sq.Mm]. Adaptors are available for mountings in 138 sq.Mm cutout. Ammeters and voltmeters with built in selector switches are also available.