Electro-Chemical Devices, Inc. (ECD) is a leader in industrial process instrumentation: sensors, controllers, transmitters, analyzers and electrodes.

Electro-Chemical Devices, Inc. (ECD) is a recognized leader in industrial process instrumentation: sensors, controllers, transmitters, analyzers and electrodes. ECD's products measure pH, conductivity, dissolved oxygen (DO) optical & amperometric, turbidity, oxidation reduction potential (ORP) REDOX, resistivity, selective ion (pION) for fluoride, calcium, sulfide, and sodium. ECD also offers control systems for boiler blow down & cooling towers.