压力传感器与压力变送器区别在于?
压力传感器与压力变送器区别在于?
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以下由江苏金湖奥特美自动化仪表厂为你无私奉献
将压力转换为电信号输出的传感器。通常把压力丈量仪表中的电测式仪表称为压力传感器。压力传感器普通由弹性敏感元件和位移敏感元件(或应变计)组成。弹性敏感元件的作用是使被测压力作用于某个面积上并转换为位移或应变,然后由位移敏感元件(见位移传感器)或应变计(见电阻应变计、半导体应变计)转换为与压力成一定关系的电信号。有时把这两种元件的功用集于一体,如压阻式传感器中的固态压力传感器。压力是消费过程和航天、航空、国防工业中的重要过程参数,不只需求对它停止快速动态丈量,而且还要将丈量结果作数字化显现和记载。大型炼油厂、化工厂、发电厂和钢铁厂等的自动化还需求将压力参数远间隔传送(见遥测),并请求把压力和其他参数,如温度、流量、粘度等一同转换为数字信号送入计算机。因而压力传感器是极受注重和开展疾速的一种传感器。压力传感器的开展趋向是进一步进步动态响应速度、精度和牢靠性以及完成数字化和智能化等。常用压力传感器有电容式压力传感器、变磁阻式压力传感器(见变磁阻式传感器、差动变压器式压力传感器)、霍耳式压力传感器、光纤式压力传感器(见光纤传感器)、谐振式压力传感器等。
压力传感器相当于窃取情报的人,压力变送器相当于传送情报的人。既有分工又有合作。
输出信号的不同!
压力变送器也是压力传感器的一种!
无论是:压力传感器,或者是:压力变送器他们的区别是有.但要看用在什么场合?有的地方适合用压力传感器,但有的地方适合用:压力变送器,这是个非常重要的问题.不能忽视!
压力传感器与压力变送器的区别:
压力传感器通常专指是非标准 mV 信号输出的元件级产品,是压力变送器的核心元件,由于信号 的非标准性,用户使用时需要进行压力标定和设计专门的信号处理电路;由于信号微弱,距离较长时需要增加放大器 ;
压力变送器从书面意义上也属于压力传感器 ,但是其输出信号为标准通用 的信号,如 4~20mA , 1~5V 等,可以远距离传送,并且可以与标准仪表配套。同时其压力值已经进行过标定,用户只需通过仪表的量程设定即可使用。
变送器与传感器的区别 :
随着技术的进步,有些技术词汇的含义有了变化,以至于常常引起误解。传感器就是这样一个例子。
现在人们说的传感器是由两部分组成的,即分别是敏感元件和转换元件。其中敏感元件是指传感器中能够直接感受或响应被测量的部分;转换元件是指传感器中将敏感元件感受或响应的被测量转换成适于传输或测量的电信号部分。由于传感器的输出信号一般很微弱,需要将其调制与放大。随着集成技术的发展,人们又将这部分电路及电源等电路也一起装在传感器内部。这样,传感器就可以输出便于处理,传输的可用信号了。
而在以前技术相对落后时,所谓的传感器是指上文中的敏感元件,而变送器就是上文中的转换元件。
变送器的种类很多,用在工控仪表上面的变送器主要有温度变送器,压力变送器,流量变送器,电流变送器,电压变送器等等。
想要了解更多相关信息,欢迎咨询麦克传感器股份有限公司
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