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How is the pressure measurement range of differential pressure transmitters (for level, flow rate, etc.) determined?

2019-12-19View Original

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How is the pressure measurement range of differential pressure transmitters (for level and flow) designed? Experts provide the relevant design standards and specifications. . . . .
Reply #22019-12-19
Calculated based on density and vertical spacing: lol
Reply #32019-12-19
How and what determines the height difference?
Reply #42019-12-19
The spacing between sampling points is determined by the process requirements, or calculated based on the sampling ports of existing equipment
Reply #52019-12-19
A 5-digit address – the device is quite large
Reply #62019-12-19
Calculated based on density and vertical spacing
Reply #72019-12-20
What does this medium density of 16.4/739 mean?
Reply #82019-12-21
Assuming it is a vertical tank, the general details are as follows: Lower opening: 6 inches or 8 inches above the tangent line at the bottom of the equipment; it should be as low as possible, but this depends on whether the equipment can accommodate such an opening. Takaguchi: Parking line (or alarm line) 8 inches or more. General determination principle: Ensure that the LL (or L) alarm occurs in about 20% of cases, the HH alarm in 90% of cases, and the H alarm in 80% of cases.
Reply #92019-12-22
Some pre-designed sets are such that the design institutes are reluctant to change the location codes: lol

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