INDICATING SIGNALLING EXPLOSION-PROOF MANOMETRE "ДМ5012СгВн" Russian patent published in 2010 - IPC G01L7/04 

FIELD: measurement technique.

SUBSTANCE: invention refers to measurement technique and can be used for creation of pointer indicating signalling explosion-proof modifications of manometres. The manometre contains cylindrical body inside which holder-base is installed which ends with fitting for connection to measured pressure from outer side of body, tubular Burdon spring which by its free end connected via tie with transmitting pinion-sector mechanism converting movement of tubular Burdon spring free end into circular movement of pointer mounted on pinion axis and located over dial with scale and protective transparent organic glass having disk-shape and located over dial with scale and pointer. Additionally, the manometre consists of three main parts - cylindrical body, curb and rear cover where cylindrical body has three plugs: the first - to provide tightness of holder-base, and the second and the third - to create two sealed cable inlets for electrical signals to electronic unit relay and power supply; here the electronic unit consists of above mentioned relay, sensors of pressure limit values, where sensors of pressure limit values are executed on the base of optoelectronic converters or are of inductive type which operates when movable blinds enter their sensitive zone, and indexes pressure limit values have control zone where they are set by lever at required scale markings using adjusting spring-loaded screw mounted in bushing which is fixed in hole in the centre of protective glass using nut on dial face.

EFFECT: creation of indicating signalling explosion-proof modifications of instruments "ДM5012CгBн", "ДB5012CгBн", "ДA5012CгBн".

4 cl, 4 dwg