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压力变送器和压力表有什么区别？
1、使用方法不同
1. Different methods of use
压力变送器是主动化控制中运用的。压力表是直接装在管道中，直接选取管道压力。
Pressure transmitter is used in active control. The pressure gauge is directly installed in the pipeline, and the pressure of the pipeline is directly selected.
2、概念不同
2. Different concepts
压力表是以弹性元件为敏感元件，测量并指示高于环境压力的仪表，应用极为普遍，它几乎遍及所有的工业流程和科研领域。
Pressure gauge is a kind of instrument which uses elastic element as sensitive element to measure and indicate higher than environmental pressure. It is widely used in almost all industrial processes and scientific research fields.
压力变送器是一种将压力转换成气动信号或电动信号进行控制和远传的设备。
Pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission.
3、适用情况不同
3. Different applications
压力变送器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。
Pressure transmitter can convert the physical pressure parameters such as gas and liquid sensed by pressure sensor into standard electrical signals (such as 4-20 mADC) to supply secondary instruments such as indicator alarm, recorder and regulator for measurement, indication and process adjustment.
在工业过程控制与技术测量过程中，由于机械式压力表的弹性敏感元件具有很高的机械强度以及生产方便等特性，使得机械式压力表得到越来越广泛的应用。
In the process of industrial process control and technical measurement, mechanical pressure gauges are more and more widely used because of their high mechanical strength and easy production.
1. Different methods of use
压力变送器是主动化控制中运用的。压力表是直接装在管道中，直接选取管道压力。
Pressure transmitter is used in active control. The pressure gauge is directly installed in the pipeline, and the pressure of the pipeline is directly selected.
2、概念不同
2. Different concepts
压力表是以弹性元件为敏感元件，测量并指示高于环境压力的仪表，应用极为普遍，它几乎遍及所有的工业流程和科研领域。
Pressure gauge is a kind of instrument which uses elastic element as sensitive element to measure and indicate higher than environmental pressure. It is widely used in almost all industrial processes and scientific research fields.
压力变送器是一种将压力转换成气动信号或电动信号进行控制和远传的设备。
Pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission.
3、适用情况不同
3. Different applications
压力变送器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。
Pressure transmitter can convert the physical pressure parameters such as gas and liquid sensed by pressure sensor into standard electrical signals (such as 4-20 mADC) to supply secondary instruments such as indicator alarm, recorder and regulator for measurement, indication and process adjustment.
在工业过程控制与技术测量过程中，由于机械式压力表的弹性敏感元件具有很高的机械强度以及生产方便等特性，使得机械式压力表得到越来越广泛的应用。
In the process of industrial process control and technical measurement, mechanical pressure gauges are more and more widely used because of their high mechanical strength and easy production.
