FIELD: measuring equipment.;SUBSTANCE: group of inventions relates to level sensors for measuring, accumulation and control of parameters of liquid transported in transport containers. Technical result is improvement of operating conditions (high repairability) and unification (reduction of standard sizes) of equipment, which is equipped with process fluid parameter control system and for object "level sensor" is ensured by that in level sensor, which consists of a sealed housing, connected with detachable cover and having at least one cable entry, and rigidly fixed in lower part of housing base of measurement part with located inside measuring element, controller of which is arranged inside housing, housing is made dismountable, and level sensor consists of three series-interconnected standard modules, shape and dimensions of each pair of mating surfaces of which correspond to each other. Second version of level sensor differs from first by cover structure, which is radiotransparent and inside which there is a controller with wired and wireless interface.;EFFECT: technical result for "set of equipment" object is ensured by that set consists of connected to network at least one level sensor based on one of said versions and independent controller, consisting of three series-connected standard modules included in design of said level sensors, or from network-connected level sensors in first and second of said versions.;16 cl, 11 dwg, 3 tbl, 2 ex
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