Interested to Buy Any Domain ? << Click Here >> for more details...
In close vessel/ drum why we use d.p. transmitter of -ve
range i.e. (-)500 to 0 mmwc.
- 2 Answers
- 7433 Views
- IMECO, Voltech, I also Faced
- E-Mail Answers
Answer Posted / ayaz
IN CLOSE VESSEL/DRUM
we use wet leg mean(low impulse line fill with same liquid)
we know that our measurement is when right then dp is creat
and when we use without low side filling and hp side only pressure the steam create pressure on lp side so dp not create and show wrong indication
so we use fill lp side pressure and address in negative and when hp side posative or actual pressure create a dp in right indication will show
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is megering????
In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.
what is different between 2,3&4 wire rtd and how much maximum distance using plc to field.
what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.
Which is your favourite subject & explain any one topic of it.
SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.
what are procedure of sox-nox calibration
i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....
I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.
Calibration of controller (pneumatic)
Draw block digram for well head from well to shipping pump?
What is force balance principle?
define feed forward control loop with example and drawing?
What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem?
which processor is used in dcs.
