WHAT REASEAN USE TRANSMETER TWO WIRE & FOUR WIRE

5 Answers   Kentz,

---

in DCS or PLC we can not put all ai or di,there is calculation through which we can accomodate certain no of digital and analog signal.I need to know that calculation

1 Answers  

---

WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

0 Answers  

---

how we can measure the interface level?is it possible to measure interface level with dp or pressure transmitter?

2 Answers  

---

What is trim material . Why it is known as trim.

1 Answers   L&T, LNG,

---

---

define SIMULATION a and what is the need of it

3 Answers   Siemens,

---

why 8bit microprocessor referred as 2^16?

2 Answers  

---

what is the principle of vibration

3 Answers  

---

how to check electrical health of vibration probe?

1 Answers  

---

can we control operation of PLC from operator station?

3 Answers  

---

one rtd sensor which is connected at middle of distillation column where actual temp. is 100deg but when we tight this sensor at thermowell end it goes down to 90 deg & when remove from the thermowell(but sensor end dipped in well) showing actual reading, what is reason?

3 Answers  

---

plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

1 Answers   KNPC,

---