difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

---

use of split range ? where it is used ? in which control loop it is used ?

0 Answers  

---

god evening sir i am studying m.sc(tech)electronics &instrumention.am i elegible to all industies

0 Answers  

---

Name different parts of a pressure gauge.

0 Answers  

---

in current transmitter why we use 4-20ma ???

2 Answers   IMCO, IOCL,

---

In 16' pipeline one pcv is installed which is controlled by PT installed at inlet of PCV.If Flowrate in pipeline increases what will happen to pressure at the inlet of pcv.

5 Answers   Essar, vssc,

---

on which principle control valve works?

3 Answers   Lupin, Reliance,

---

I want to use 1/2 inch SS316 tube in my high pressure & temperature (64 kg/cm2 & 500 deg C)after condensate pot in pressure tranmistter. 1) Is it possible to use 1/2" ss316 tube in high pressure and temperature line. Tube manufacturer is local vendor. 2)On sarting the plant, We need to do system fluse that time condesate is not in the condesate pot so steam is directly contact with the tube. We have no exact calculation to know our tube is ok or nor at this time. pleae,reply.

1 Answers  

---

why we use 24v dc in instrument rahter than 230vac????

4 Answers  

---

How to calibrate a temperature transmitter & how a Cold junction Compensation will be carried out?

2 Answers   QAFCO,

---

Why 24VDC power Supply is used as standard for all loop powered transmitters?

8 Answers   Lupin,

---

How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?

0 Answers  

---