ER Corrosion Monitoring Transmitter ER-420

Cosasco ER transmitter ER-420 is a two-wire transmitter for use with Electrical Resistance (ER) probes.

This transmitter is well suited for plant locations, widely separated monitoring points, and connection into a distributed control system (DCS).


  • Two-wire transmitter
  • Resolution ±0.1% for rapid response
  • Intrinsically safe
  • Compatible with all Corrosometer probes
  • CE/ATEX/IECEx compliant
  • Available stainless steel enclosure
  • Switchable Probe Selector to easily adjust between different probe types


  • Gas plants
  • Refineries
  • Off shore platforms
  • FPSOs
  • Chemical and Petrochemical Plants
  • Water and Wastewater Plants


Related Products