FIELD: measurement equipment.
SUBSTANCE: measuring pressure transducer includes a pressure inlet chamber closed with a separating membrane and a pressure measurement chamber, in which a pressure sensor is located, the inner space of which is filled with pressure-transmitting liquid. Liquid serves for transfer of pressure in a measurement mode to pressure sensor (11). With that, liquid contains adsorbents, the size of particles of which is small in comparison to overall dimensions of the inner space filled with liquid and which serve for binding of foreign molecules diluted in the liquid due to adsorption. Content of foreign molecules, which is diluted in the pressure-transmitting liquid in gaseous or liquid states, is reduced. The liquid is brought into contact with at least one adsorbent. Foreign molecules diluted in the liquid are bound with adsorbents due to adsorption.
EFFECT: improving pressure measurement accuracy due to reduction of content of foreign molecules diluted in gas or liquid.
5 cl, 7 dwg
Authors
Dates
2014-11-10—Published
2011-02-28—Filed