1/8 DIN vertical configuration panel mount pH/ORP controller/transmitter with dual SPDT Hi/Lo relays, manual set points and calibration are via potentiometers.
6309PDT pH, Dissolved oxygen, Temperature In-line Analyzer
pH & D.O. analyzer, 1/4 DIN panel mount IP-65 case, polarographic sensor with replaceable membranes and programmable pressure and salinity compensation.