FIELD: measuring equipment.
SUBSTANCE: sensor for measuring concentration of fluid-soluble gas includes: housing (100), which is coated with selectively permeable membrane (60) and is filled with fluid medium (30) of sensor; at least two electrodes (10, 20) located inside housing (100), wherein said electrodes (10, 20) are coated with fluid medium (30) of sensor in at least one detection site (40); and ion-balancing means (50) located inside housing (100) and at a distance from detection site (40) of electrodes (10, 20), and which is in contact with fluid medium (30) of sensor, to remove contaminating ions from fluid medium (30) of sensor.
EFFECT: invention enables formation of a device for measuring concentration of fluid-soluble gas with improved resistance to drift and low production costs.
15 cl, 7 dwg
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