What is the procedure of mounting new positioner on pneumatic control valve?

1 Answers  

---

HOW TO CONVERT 0-60KG/CM2 PRESSURE TRANSMITTER TO A LEVEL TRANSMITTER? CAN WE ABLE TO DO IT? IF YES HOW TO DO IT BY USING HART?

3 Answers  

---

What are use of positioner.

6 Answers  

---

What is scale factor of proximitor & unit of the viabration.

2 Answers   Sabic,

---

List three types Level Switches with their working principles

0 Answers  

---

explain Cascade Control strategy with the help of a block diagram. also exlain its working in a distillation column

2 Answers   ABB, Sabic,

---

What is Difference between PLC and CNC ?

2 Answers  

---

Generally in which location ( JB or IO card or DCS) the thermocouple compensation is done.Also where they measure the atmosphere temp ( for compensation) in JB OR DCS panel? How they compensating that atmosphere temp? is any circuit for that ( like in rtd wheatstone bridge)?

3 Answers  

---

the square root type transmitter r used to which applications

4 Answers   Roche,

---

Wht should be the ratio of natural frequency (Fn) to wake frequency (Fw) and wht if goes above the rato limit?

2 Answers  

---

How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

---

what is the difference about HART, and 4-20mA signal?

8 Answers  

---