Model P66

SKU: P66

Capacitance Probe, Sanitary Service, Metal Ion Free

The Delta Controls Model P66 Capacitance Probe uses all plastic wetted parts and is intended for sanitary service. The probe is designed for use in processes and storage tanks where the possibility of contamination is prohibited. Process examples include injectable solutions, pharmaceutical dilution fluids, heavy water for research, electronic chipmaking, and high quality plating systems.

The P66 is also commonly used in industrial process systems which are extremely corrosive. Kynar® PVDF is highly inert and unaffected by almost all strong acids and bases below a temperature of +275 °F (+135 °C). Applications include hydrofluoric acid level, refinery hydroformers, bromine condensers, chlorine generation cells, radioactive processes, and wastes.


  • Virgin polypropylene or Kynar® PVDF comes in contact with the process fluid
  • Thick plastic jacketing is welded in place
  • No cracks, joints, or crevices to collect contaminants
  • Suitable for fluids used in silicon chip and electronics manufacturing
  • For extremely corrosive industrial processes such as hydrofluoric acid plants, pickling lines, and plating solutions
  • Plastic surfaces are flame smoothed for the best available surface


  • Working Pressure: -15 psig to +300 psig (-1.0 bar to +20.7 bar)
  • Working Temperature: –40 °F to +300 °F (-40 °C to +149 °C)
  • Insertion Length: ≤ 10 ft (3 m)
  • Process Connection : 2.0 in minimum
  • Threaded Process Connection: 2.0 in to 3.0 in
  • Flanged Process Connection: 2.0 in to 4.0 in
  • Flange Rating: ≤ 600 lb
  • Available Wetted Materials: Kynar® PVDF, Polypropylene,carbon steel (othermaterials available)

Required Ordering Information

  • Detailed model number
  • Tag or nameplate detail (if required)
  • Documentation & testing packages (if required, refer to Additional Resources in the product catalog)
  • Process fluid or material name
  • Process fluid or material dieletric constant
  • Maximum process temperature
  • Maximum process pressure
  • Upper and lower materials required for interface service

Additional Information


Capacitance Probe, Sanitary Service, Metal Ion Free

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