| IT Transportable Reference: This is a maintenance-free portable reference which can be used in place of a standard liquid-filled portable reference. It is available with either gelled Cu/CuSO4 or gelled Ag/AgCl elements. The termination is the standard 1/4-20 stud end with a knurled finger nut. |
| IR Regular Immersion Reference: This is the industry standard immersion reference which is used in water tanks, waterfront structures and other applications where the electrode is fully immersed. It is available with gelled elements and custom wire length terminations. Optional features include anti-freeze and a mounting magnet. |
| IP Pipe-Type Reference: This reference is intended for seawater use, either as a portable or for permanent installations on marine structures. It is available with dry-type Ag/AgCl or Zn elements. Terminations include wire or stud ends. The housing design allows it to be directly cemented to 1/2” PVC conduit. |
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IX Custom Products: The IX model designation is used for special or unusual customer requirements. |
