FIELD: measurement technology. SUBSTANCE: invention is related to weighing of portions of loose materials in various branches of industry. Air-operated weighing machine has weight converter built in the form of five-membrane comparison element which upper membrane is joined to power lever of weight-measuring system, one plus chamber is connected to master unit of compensation of container and other plus chamber and outlet of lower pneumatic feeder are connected to manometer and compression elements which are connected to weight master unit. Comparison element of main feed is also connected to master unit of displacement and output of comparison element of additional filling is connected in parallel to pneumatic toggle switch and pneumatic button which are coupled through OR gate to self-locking action relay. EFFECT: improved functional reliability. 1 dwg
| Title | Year | Author | Number |
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