Retrievable Fixed and Adjustable ER Probe 4700/4700-ADJ

Model 4700 probe is available with a durable construction incorporating a connector with shrouded pins to prevent accidental damage. This high pressure probe with element thicknesses up to 40 mils, can be read by any Electrical Resistance (ER) corrosion monitoring instrument.

These probes are for use in bottom of the line applications where corrosive fluids may accumulate or in lines which are subject to pigging.

Device Length Calculator

Need help figuring out what length ER Probe is required based on your pipeline size and application? Try Cosasco's new Device Length Calculator.


  • Flush Probe Element Ideal for Bottom-of-the-line Applications and Pigged Lines
  • Suitable for Systems With Pressures up to 6000 psi
  • Rugged Design
  • Ideal for High Pressure and Temperature Applications
  • New Type “S” Connector Prevents Accidental Damage
  • Adjustable Probe Available for Extended Probe Length


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