FIELD: electro-chemical analyzers for liquid and gaseous media.
SUBSTANCE: membrane solion can be used as for dense and micro-pore membrane. Device has case filled with internal solution, indicator electrode, separating membrane and tool for fixing membrane. Elastic member provided with holes is installed between separating membrane and tool for fixing membrane. Internal surface of elastic member follows external surface of indicator electrode. Diameters of holes in elastic member 200 times max exceed thickness of separating membrane. Holes in elastic member can have random shape. Sizes of holes along their minimal axes do not have to exceed thickness of separating membrane 200 times max.
EFFECT: improved reliability of operation within wider temperature range.
2 cl, 1 dwg
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