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display pressure sensor

time£º2019-07-30 16:46    source£ºoem pressure sensor

pressure transmitter zero adjustment

oem liquid pressure transducer

First, the zero adjustment routine has the following methods:

1. There is a quick button on the meter head, one is S range, one is Z zero, you can hold Z for a few seconds, and it can quickly set the current pressure to zero (output 4ma). 2. Clear with 375 (zero the current pressure).

 

2, change the range to use the communicator to change to OK, there is press the quick button S to the current measured pressure output 20mA.

Smart pressure transmitter 

3. The main display is not the main control display and the site header pressure is not the same:

1. You can set the meter's range to the same as the master's setting. You can use 375 to clear it (don't encourage it often, affect the linearity of the table). 2, by changing the range of the table to achieve the same with the master, the method is to migrate the entire scale.

4. Calibration of pressure transmitter/differential pressure transmitter: first adjust the damping to zero state, first adjust the zero point, then increase the pressure to full range, so that the output is 20mA, zero and full-scale calibration is normal, Check the middle scales again to see if they are out of tolerance and fine tune them if necessary. Then perform the adjustment of the migration, linearity, and damping.

If there is an error between the measured value and the actual value of the instrument, first of all, it is judged whether the pressure-reducing port and the pressure chamber are clogged and whether the diaphragm has any contaminants. Then judge whether the instrument is damaged (mostly the diaphragm is damaged).

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