FIELD: measurement technology.
SUBSTANCE: device has sensitive element quartz piezo-element covered with silver sulfide layer and sorption coating, like capron having thermodynamically stable crystal structure, covering electrodes. Quartz piezo-element frequency F and sorbent film thickness h are selected with the relation hF=13-15 mcm*MHz kept in view. Quartz piezo-element frequency is within the limits of 9-25 MHz.
EFFECT: reduced sensitive element response time; increased stability of its characteristics.
1 dwg
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