Mrk engineers has developed latest jumbo digital indicators and controllers. The company supplies these jumbo displays in different 1 inch, 2 inch, 4 inch, 6 inch, 8 inch and 12 inch sizes. Some of the salient features of the jumbo size indicators and controllers are easily readable from longer distance in factory area; useful for temperature measurement, counting humidity indication timer, pressure, mw speed, ph, etc; and 230v ac auxiliary supply and inputs. This jumbo display indicator and controllers are suitable for j type and k type pt 100 type sensor, 4-20 ma, 0-5 v 0-10 v, 0-60 mv humidity sensor, ph sensor, pulse, various proximity and linear sensor, etc. The jumbo indicator and controller find applications in all textile mills, furnace, chemical, petrochemical industries, power plant, pharmaceutical, engineering industries, all factories, etc.