Answer / morsli

instrumentation job is to calibrate transmitters for exemple level ,pressure ,flow we use multimeter for the analog transmitter ,in smart transmitters we use a hart protocol .
other work is to calibrate pressure switch ,level switsh,temperature switch .
you adjust the valves switches ,on and off ,open and close.
you calibrate the valve with positionner ,pneumatic positionner or digital .
you deasmantel the pneumatic control valve ,and change the spare parts,the calibrate without positionner ,the open top at 3 psi and the close top at 15 psi.
you look for ground when there is a problem in instrument wiring.
you adjust the controller parameters PROPORTIONAL -INTEGRAL and DEREVATIVE when the controller is operating ,on line process.

what is three element loop

7 Answers  

---

what is difference between DO and DI

6 Answers  

---

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,

---

WHAT IS THE MAIN WORKING OF BOILER.

3 Answers  

---

how to calculate static pressure in a pipe line,when we know the DP(differential pressure) in the line, area of the pipe? please any one tell me the relation between them..?

2 Answers  

---

---

1. What is the main differences between GE Mark IV and Mark V Turbine Control System? 2. what is the main differences between GE Mark V and Mark VI?

2 Answers   GE,

---

Why mixer nd grinder Is example of constant torque load not variable torque load ???

0 Answers  

---

Instrumentation engineer please reply me,I am electrical engineer ,what is the future in instrumentation dept {presently working (P&ID) Design} for me,whether good future for me as instrumentation department.what side can i get job in future

3 Answers  

---

Why is the length of cable layyed from RTD to temp. Transmitter should be minimum? Why does heating effect takes place in their?

1 Answers   Process Control Technologies,

---

can a control valve works without positioner?why need tunning of c/v?

4 Answers  

---

What is the Difference between PE,IE and ISE

2 Answers  

---

Explain the usage of the PLC system?

3 Answers  

---