Answer / narendra mishra

There is capacitive circuit inside the transmitter.sipmply make a circuit consists of a voltage surce ,a resistance and a capacitor.capacitance varies as pressure vary thus the current changes in accordance.

why we use by pas on a positioner? When can a by pass be not used on a positioner ?

2 Answers  

---

what is earthing ,grounding in c&i panel?what is the resistance in earthing and grounding of c&i panel?what do u mean by shielding and what is its resistance?

1 Answers  

---

wht is mean by dpt(differential pressure transmitter)

1 Answers  

---

I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

---

why we take %i0.0 as input for twido plc

0 Answers  

---

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

2 Answers   Qatar Petroleums, RKS,

---

What is the difference between PLC and DCS?

3 Answers  

---

Why using negative voltage in vibration measurement?

2 Answers  

---

What are Sinking and Sourcing IO Cards

2 Answers  

---

where uses EXe /EXd/Exo/Exn/Exp/Exq/EXia

0 Answers  

---

tell how to calibrate a magnetic flow tx, vortex flow tx,dp flow tx,nozzle flow tx and venturi flow tx?

2 Answers   TATA,

---

What is difference between reset and initialization in system.

1 Answers   Marafiq,

---