Corrosivity sensor

Details Corrosivity sensor Corrosivity sensor

1992-09-10

1994-05-10

Weisstuch, Aaron

Chemistry: electrical and wave energy

Apparatus

Electrolytic

20415311, 324700, G01N 2726

Patent

active

053104706

ABSTRACT:
A lightweight corrosivity sensor is provided which is thin enough to be edded between the layers of a composite structure or placed on a surface beneath a coating. It comprises a thin non-conductive base and two electrically isolated conductive elements fixed to the surface thereof. Each conductive element comprises a bus bar and a plurality of strips extending from the bus bar and interdigitated with the strips of the other conductive element. The corrosivity sensor is connectable to a current measuring means for measuring the current across the two conductive elements as an indicator of the presence of a corrosive environment. A masking method of manufacturing such a sensor is also provided.

REFERENCES:
patent: 4780664 (1988-10-01), Ansuini et al.
patent: 4994159 (1991-02-01), Agarwala et al.

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