FIELD: measuring equipment.
SUBSTANCE: invention relates to measurement equipment. Pressure measurement device comprises microwave sensitive element in form of metal cavity wall part which is flexible connected with help of driving element and element of electromagnetic oscillation picking-up to electronic unit, metal cavity is made in form of a waveguide with elastic one end wall, electronic unit comprises a generator of electromagnetic oscillations of fixed frequency and connected to indicator detector connected with help of, respectively, driving element and element of electromagnetic oscillation picking-up to waveguide at its other end wall and waveguide is made in form of limit waveguide, for which frequency of excited electromagnetic waves is selected below minimum excitation frequency electromagnetic waves propagating in waveguide.
EFFECT: technical result is simplified design.
1 cl, 1 dwg
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