FIELD: instrument engineering.
SUBSTANCE: invention relates to solutions intended for automatic compensation of pressure in a sealed housing of a device. Proposed system comprises sealed housing (1) made up of circular section. In housing there is mounted unit (2) with electromechanical or electronic control system and power supply unit, pressure compensation piston (3), sealed input (4) of cable with length of supply cable, allowing to make piston (3) movement to dead external point of device housing. Power supply of control system and electronic power supply unit can be performed both through housing (1) and through pressure compensation piston (3).
EFFECT: improving reliability and simplifying the system, reducing overall dimensions.
2 cl, 2 dwg
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