FIELD: automatic warning devices. SUBSTANCE: sensor has metal disk 13 spring-loaded on both sides through supporting rings 12 and located in center of fixed sensing element 8, two permanent magnets 14, 15 each mounted in hole of respective supporting ring and loosely coupled with them, and two hermetically sealed contacts 16, 17 mounted in caps 6, 7; regulator actuators are connected to inlet holes of separate chambers A and B. EFFECT: improved reliability of gas supply system. 2 dwg
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