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What are the application scenarios of differential pressure transmitter?

Release time:2023-02-14Click:254

The differential pressure transmitter is used to prevent the medium in the pipeline from entering the transmitter directly. The pressure sensing diaphragm and the transmitter are connected by a capillary filled with fluid. It is used to measure the liquid level, flow rate and pressure of liquid, gas or steam, and then convert it into 4 ~ 20mA DC signal output. Differential pressure transmitter is suitable for the following measurement and control situations:


● Sticky medium at high temperature


● Easy to crystallize medium


● Precipitating medium with solid particles or suspended solids


● Strong corrosive or highly toxic media can eliminate the phenomenon of pressure guide pipe leakage pollution of the surrounding environment; Can avoid the use of isolation liquid, because of the instability of the measurement signal, the need to supplement the isolation liquid tedious work.


● Continuous measurement interface and density remote transmission device can avoid the mixing of different instantaneous media, so that the measurement results truly reflect the actual situation of process change.


● High requirements of hygiene and cleaning occasions such as food, beverage and pharmaceutical industry production, not only requires the transmitter contact medium parts in line with health standards, and should be easy to wash, in order to prevent the cross contamination of different batches of media. Product characteristics


● One by one to simulate the "online operation" test, to ensure that the transmitter in the limit ambient temperature, medium temperature and working pressure (including positive pressure or vacuum), stable and reliable work.


● Adopt "dynamic surface" remote diaphragm structure, the diaphragm will not be damaged after overload; The accuracy will not change after long-term operation.


● The filling system with full fusion welding and rigid sealing structure is used to eliminate the occurrence of oil leakage.


● The novel design of capillary joint parts, so that the capillary is reliable protection, not easy to break in the field use.


● Variety, form and size of the remote transmission device, as well as rich filling liquid types, can meet the needs of different occasions of measurement.


● Can provide a variety of special needs products, including high temperature, high vacuum, fast response and unequal length capillary (difference ≤4.5 m) distance differential pressure transmitter.


HQ1151/3351/1151/3851DP remote transmission flange differential pressure transmitter There are four forms of remote transmission device:


1. Flat remote transmission device;


2, screw mounting remote transmission device;


3. Flange-mounted remote transmission device;


4. Insert cylindrical remote transmission device.


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