J Series Controllers Rack or Panel mount controllers for measurement of a single parameter. 2 on/off setpoints, 4-20mA output. JC Series  (choose from pH, Redox, Chlorine or Conductivity)J Digital Series (choose from pH, Redox, Chlorine, Conductivity, Ozone, Dissolved Oxygen, Chlorine Dioxide or Temperature) view more DIN Digital Controllers DIN rack mount ideal for OEM panels […]