Flow and Process Controllers

Lakewood Instruments manufactures controllers that measure pH, Conductivity, and/or ORP in process applications.  The model 2175P is a conductivity controller, the model 2330P is an ORP controller, the model 2350P is a pH controller, the model 2412P is a pH and conductivity controller, the model 2430P is an ORP and Conductivity controller, the model 2450 is a pH or ORP and conductivity monitor for reverse osmosis applications, and the model 491-495 VersaMeter series are flow totalizers and flow rate indicators.