Water-proof electrochemical sensor

Chemistry: electrical and wave energy – Apparatus – Electrolytic

Reexamination Certificate

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C204S416000, C324S450000

Reexamination Certificate

active

07955482

ABSTRACT:
A water-proof electrochemical sensor for in situ analysis and real-time monitoring of chemical and biological compounds in a liquid analyte, such as a water column, or a water column/sediment interface, or sediment. The water-proof electrochemical sensor assembly comprises an electrode body that is resistant to high temperatures and pressure and includes a semi-hard o-ring or collar. A resilient elastomeric boot, that has an internal groove which is adapted to form a tight pressure-fit with the collar is installable on the electrode body. One end of the boot has an opening adapted to form an interference fit with a pin contact for electrical connections with external equipment and the other end of the boot has an opening adapted to form an interference fit with the electrode body whereby a water-proof seal is formed.

REFERENCES:
patent: 3476671 (1969-11-01), Petty
patent: 5380422 (1995-01-01), Negishi et al.
patent: 5770039 (1998-06-01), Rigney et al.

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