Profile: Electro-Chemical Devices, Inc. (ECD) is specialized in providing industrial process instrumentation such as sensors, controllers, transmitters, analyzers and electrodes. Our products are used to measure pH, conductivity, dissolved oxygen (DO) optical & amperometric, turbidity, oxidation reduction potential (ORP), resistivity, selective ion (pION) for fluoride, calcium, sulfide, sodium and more. We also offer control systems for boiler blow down & cooling towers.