Answer / mugil

Where below atmospherics pressure or Vacuum pressure(Negative) is to be maintain in that case mbar is using.Because milli bar is using very low pressure application.

Where above atmospherics pr is available in this case Bar is maintain

Answer / samir

mBar and Bar are both pressure unit. As per our system pressure we used the desired unit range transmitter or switches. As example if we have to measure PA fan header pressure pressure it's range very low as 5-10 Kpa,eg; 50-100mabar. So here we can used a transmitter or switches in bar unit instead Bar.

Why do we use 24V DC supply in instrumentation? What are its merits and demerits??

1 Answers   JSW, MJPRU,

---

Why hunting will occour in control valve?

6 Answers  

---

Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

0 Answers  

---

why does mA signal preferred for signal transmission?

12 Answers   Emerson,

---

dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

0 Answers   CPL,

---

Pressure transmitter working Principles?

1 Answers  

---

How to do calibration of magnetic flowmeter

1 Answers   Kharafi National,

---

what is The specifications for oriface instalation

0 Answers  

---

why would you like to join our company

0 Answers   Aramco,

---

defffrence between instruments and instrumentation

8 Answers  

---

what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

---

Can anybody explain what is the different between ESD & PLC

1 Answers   ADCO,

---