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Model IP Pipe-Type Immersion Reference Electrode by EDI

Description The Model IP is a compact, economical, dry-type reference electrode for marine applications. It has a 0.840 inch diameter PVC bushing on the termination end. This enables the user to cement on any ½ inch socket-end PVC pipe or electrical conduit fitting (e.g. male or female conduit thread or couplings) for permanent installation. Examples of this are shown on EDI Drawing PIPAPP2, where ½ inch PVC couplings serve as transition pieces for running the lead wire through conduit or attaching the electrode to a wall. For intermittent use, the Model IP has a blind 1/4-20 hole for attaching up to a 5 lb weight. Should more weight than that be necessary, the electrode and the weight should be attached to a separate drop line as shown on EDI Drawing PIPAPP1. Typical Applications Portable use - intermittent potential measurements in seawater. Permanent use - piers, pilings, traveling screens, and other marine structures. Features Sized to fit standard ½ inch PVC conduit or fittings Rugged white PVC housing Ag / AgCl or Zn element for open seawater (marine) application

Created by: Pipeline Corrosion Control

Last updated 11/2025

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Description

Description The Model IP is a compact, economical, dry-type reference electrode for marine applications. It has a 0.840 inch diameter PVC bushing on the termination end. This enables the user to cement on any ½ inch socket-end PVC pipe or electrical conduit fitting (e.g. male or female conduit thread or couplings) for permanent installation. Examples of this are shown on EDI Drawing PIPAPP2, where ½ inch PVC couplings serve as transition pieces for running the lead wire through conduit or attaching the electrode to a wall. For intermittent use, the Model IP has a blind 1/4-20 hole for attaching up to a 5 lb weight. Should more weight than that be necessary, the electrode and the weight should be attached to a separate drop line as shown on EDI Drawing PIPAPP1. Typical Applications Portable use - intermittent potential measurements in seawater. Permanent use - piers, pilings, traveling screens, and other marine structures. Features Sized to fit standard ½ inch PVC conduit or fittings Rugged white PVC housing Ag / AgCl or Zn element for open seawater (marine) application Housing Specifications 0.840" dia. at termination end 1.0" dia. x 3 1/4" long PVC Element Types AGD: dry-type Ag / AgCl ZIN: 99.99% zinc Terminations ST: 1/4-20 threaded stud LW: 100 ft. #18 AWG PVC insulated test lead Model Designation Specify as EDI Model IP-XXX-YY, where XXX = element type and YY = termination type.
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