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dear friends, i have seen flow as the selection critriea in presure guage (bourdon tube) and i would like to know what is the relation between flow and performance of pressure guage other parameters i found in the data sheet are pressure max. 1ksc temperature max. - 50 deg c line size - 80NB operating range - 1ksc pr. guage range - 0-2 ksc thank u,
2168dear friends pls tell me how temperature compensations are done in bourdoun tube of pressure guages thankx
1 4528can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class
2 6191flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty
ONGC,
2303Post New Instrumentation Questions
flow transmitter formula?
can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know
why we are using drum level control valve air to close?
What is the differerence between hysterisis and linearity.
Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?
how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744
how to calculate range of level transmitter?
Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72
Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.
What is the difference between PLC and DDC?
Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?
Describe the function of Accumulator into the Pump
what is easiest way to read STL language in PLC?
plz send me general of ongc
What is the use of gauge?
