Countronics, an iso 9001:2000 certified company, provides a wide range of digital electronic process control equipments. As part of that the company offers dual limits & dual alarms orp controller model 100-orp. It is provided with iso 4-20ma tx output. It is panel mounted din size instrument. It indicates the value of oxidation-reduction potential when fixed with an orp electrode. It comes with following salient features: