北京布莱迪电接点压力表使用说明
布莱迪电接点压力表通常与相应的电气器件（如继电器及接触器）配套使用。
仪表由测量系统、指示装置、电接点组件装置、外壳、调整装置和接线盒（插头座）等组成。 仪表的工作原理是基于测量系统中的弹簧管在被测介质的压力作用下，产生位移，通过齿轮传动机构将被测值在度盘上指示出来。与此同时，仪表指针带动动触头与设定指针上的定触头（上限或下限）相接通（或切断），致使控制系统中的电路得以断开或接通，以达到自动控制和发信报**的目的。
Brief Introduction
Electric contacts pressure gauge is widely used to petrochemical, chemical, metallurgicalelectric power fields and so forth ,or applied to measurement pressure of fluid mediumin the machine.
Usually ,electric contact pressure gauge matches with relevant electrical apparatus,forinstance,relay and contactor.
The instrument is consisted of measurement system,indicating system,electric contact
parts system, case ,adjustment system,junction box(socket) and otherwise.
The principle is that under the conditions of medium pressue ,bourdon tube will show
the measured value in the dial by gear wheel equipment . In the meanwhile ,the pointer ofinstrument will make dynamic contact touch or cut with static one (upper limits or lower
limits),leading to the cut and turn-on of control system for the purpose of automatic controland alarm.
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