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Differential Pressure transmitters and level trolls

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14y ago

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What is the volume of a liquids?

you put it in a graduated cyclender and measure at eye level.


How can you calibrate interface level transmitter?

First of all you have to know the gravities of the liquids you want to measure. For example crude oil's gravity is 0.87 and water's gravity is 1. A level transmitter uses 2 inlets, including the area of the level you want to observe. You meter the distance (the height) between the two inlets. CALIBRATION: You fill the container with the heavier liquid, till the gravity's percent (%). Adjust for ZERO. Fill till 100% to have the SPAN. The gravity selector must be at the right position.


Which methodology involves breaking of the requirements into modules with information on Interface Requirements between the modules?

High Level design


Is it true that liquids have a large portion of empty volume between molecules?

Yes, liquids typically have molecules that are close together but still have spaces between them. This is why liquids can flow and take the shape of their container. The arrangement of molecules in liquids allows them to move past each other while maintaining some level of cohesion.


What is the difference between float and displacer?

Floats and displacers are both types of level measurement devices used in tanks, but they work on different principles. Floats detect liquid level by floating on the surface, while displacers measure level by displacing a weight within the liquid. Floats are more suitable for clean liquids, while displacers are often used in dirty or viscous liquids.


What graduated cylinder uses?

To measure out beer of course


Why is the hydrometer used to find density?

A hydrometer can be used to find the specific gravity (relative density) of a liquid by determining how much water it will displace. Various calibrations are used for different kinds of liquids.


How does a hydrometer work to measure the density of liquids?

A hydrometer measures the density of liquids by floating in the liquid and sinking to a certain level based on the liquid's density. The higher the density of the liquid, the lower the hydrometer will sink. The scale on the hydrometer provides a reading of the liquid's density.


Why ttl voltage level converting to rs232 level?

Whwn an IC is connected to a PC, then the voltage levels of these two should be synchronized. For this purpose, the TTL voltage level is converted to RS 232 level. RS 232 is the interface between a PC and an IC.


What common liquids have a pH level of 5-6?

Common liquids with a pH level of 5-6 include black coffee, orange juice, and tomato juice. These liquids are slightly acidic but are safe to consume in moderation.


How will you measure the height of a dam?

difference between the high flood level and stream bed datum.


What are the advantages of measuring liquids?

what are the advantages of level measurement? what are the advantages of level measurement? what are the advantages of level measurement?