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Industry Information
Notes on installation and use of differential pressure transmitter
2011-8-3 17:41:39

在安装使用过程中应注意以下几点: Differential pressure transmitters should pay attention to the following points during installation and use:
在差压器使用前,需要复校差压变送器的测量范围、零点漂移量、精度、静压误差等。 1. Before using the differential pressure device, it is necessary to review the measurement range, zero drift, accuracy, and static pressure error of the differential pressure transmitter.
变送器安装以后,在开车之前,对各种变送器的工作压力、工作温度、测量范围、漂移量进行一次全面检查。 2. After the transmitter is installed, perform a comprehensive inspection of the working pressure, working temperature, measuring range, and drift of various transmitters before driving. Be sure to find out the cause and correct it before driving. If there is any discrepancy, debug it in time.
在开启和停用的过程中,要避免 仪表 承受单的向静压。 3. In the process of turning on and off, the meter should avoid unidirectional static pressure.
    
a. 应当附带一套的三阀组件,在差压变送器的上方位置将其安装 In order to avoid unidirectional pressure during use, each differential pressure transmitter should be provided with a set of three-valve components. Install it above the differential pressure transmitter .

其中的阀1为高压断阀,阀2为平衡阀,阀3为低压切断阀。 b. Among them, valve 1 is a high-pressure shut-off valve, valve 2 is a balance valve, and valve 3 is a low-pressure shut-off valve.In order to protect the differential pressure transmitter and facilitate the zero position, a balance valve 2 is used when the meter is opened and stopped.

在开动使用变送器时,先开平衡阀2 ,然后再打开阀1和阀3 ,当阀1和阀3全开后再关闭阀2 c. When using the transmitter, open the balance valve 2 first, then open valve 1 and valve 3 , and close valve 2 after valve 1 and valve 3 are fully opened. 在停止使用时,应要先打开平衡阀2 ,然后再分别关闭阀1和阀3d. When stopping use, the balance valve 2 should be opened first, and then valve 1 and valve 3 should be closed respectively.

Turn on or disable the differential pressure transmitter in the order listed above. It will try to avoid overloading the differential pressure transmitter due to unidirectional static pressure, and avoid condensation in the differential pressure transmitter with cold gel or isolation fluid Run away with glue or barrier fluid.