FIELD: measurement equipment.
SUBSTANCE: invention is related to pneumatic measurement equipment and may be used for measurement of linear dimensions and errors of mechanical parts shape. Device comprises stand, on which metering element is installed, including oppositely installed counterpressure bellows and metering bellows, which interacts with controlled part. At the same time both bellows are arranged as sealed and are equipped with differential pneumatic electronic converter, joined to instrument, comprising unit of measurements processing and digital scale.
EFFECT: improved accuracy of measurement, simplified design and expansion of field of application.
1 dwg
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