what5 does intrinsically safe mean.

2 Answers  

---

how to calibrate differential pressure switch

2 Answers  

---

in instrumentation why we are using 4-20mA , why not voltage ? if somebody design a instrument which works on voltage then can we use that instrument?

6 Answers  

---

What is the working principal of Mass flow transmitter?

1 Answers  

---

How we can do the linearity test for Bently Naveda Vibration Probe?

1 Answers   Sabic,

---

---

I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

0 Answers  

---

Why thermo wells are used?

1 Answers  

---

What is meant by Fail Safe Condition in PLC?

4 Answers  

---

How does work A temperature valve or fv control valve in process plz brief me

0 Answers   Jindal,

---

What are the automatic controller MODES?

2 Answers   DEWA,

---

While giving Power Supply of 24 VDC to a Transmitter,why Shield Terminal is connected either at Transmitter or at ISB.Why not Shield Terminal connected at both ends.If the Reason is to avoid Noise interference,which type of noice that is interfering.Is the Noice from the 24 VDC supply terminals or from any external source.

1 Answers  

---

Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system

0 Answers  

---