ROSEMOUNT - 美国ROSEMOUNT压力变送器 - 仪表阀组
压力变送器是一种能感受压力，并按照一定规律将压力信号转化成可用的电信号输出的器件或装置。
ROSEMOUNT - 美国ROSEMOUNT压力变送器 - 仪表阀组，测量电路和过程连接件三部分制作而成。它能将测压元件传感器感受到的气体、液体等物理压力参数转变成标准的电信号（如4~20mADC等）， 以供给指示报警仪、记录仪、调节器等二次仪表进行测量、指示和过程调节压力变送器是工业实践中最为常用的一种传感器，其广泛应用于各种工业自控环境，涉及水利水电、铁路交通、智能建筑、生产自控、航空航天、军工、石化、油井、电力、船舶、机床、管道等众多行业。下面就简单介绍一些常用压力变送器的原理及其应用、压力变送器是用于测量液体、气体或蒸汽的液位、密度和压力，然后将压力信号转变成4～20mA DC信号输出。
压力变送器主要有电容式压力变送器和扩散硅压力变送器，陶瓷压力变送器，应变式压力变送器等。压力变送器根据测压范围可分成一般压力变送器（0.001MPa～35MPa）和微差压变送器（0～1.5kPa），负压变送器三种。ROSEMOUNT - 美国ROSEMOUNT压力变送器 - 仪表阀组。
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主要优点
1、压力变送器具有工作可靠、性能稳定等特点；
2、专用V/I集成电路，外围器件少，可靠性高，维护简单、轻松，体积小、重量轻，安装调试极为方便；
3、铝合金压铸外壳，三端隔离，静电喷塑保护层，坚固耐用；
4、4-20mA DC二线制信号传送，抗干扰能力强，传输距离远；
5、LED、LCD、指针三种指示表头，现场读数十分方便。可用于测量粘稠、结晶和腐蚀性介质；
6、高准确度，高稳定性。除进口原装传感器已用激光修正外，对整机在使用温度范围内的综合性温度漂移、非线性进行精细补偿。
产品主要型号：
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ROSEMOUNT ANALYTICAL 8.80002E+11 VA
ROSEMOUNT - 美国ROSEMOUNT压力变送器 - 仪表阀组
