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摘要:A pot-shaped housing (4) encloses a piston (5) with a narrow annular gap (6a,6b) filled esp. with pref. vulcanised silicone or natural rubber (7), except where the less viscous oil or gel (11) occupies a transition (10) between smaller and greater radii of the piston (5). A flexible rubber sleeve (12a) enclosing the oil or gel (11) contacts a force or pressure transducer (8) incorporating a diaphragm (9) with thick-film strain gauges and a measuring amplifier (13) wired (14) to an external processor.

摘要附图: