Answer / raja

Pressure Transmiter feild calibation using for pressure calibrator
high pressure using druck low pressure using hand pump and scandura. Calibrator all the calibrator have in pressure and vacuums

So need to be set the setting for. Vacuums or pressure

Than calibation set up need to be conection the transmiter for parallel conection with pressuure calibrator

Inject the pressure for transmiter asper the range 0 to 100%
Error need to note dowen after that adjust the zero And span calibation
Agin test pressure 0 to 100% job done

Is wet leg type system nessesary to measure water level of steam DRUM? How the transmitter is calibrated to measure this level?

0 Answers  

---

What's the Installtion procedure of DP Transmitter for Gas,steam and water?

2 Answers  

---

whyvibration probe (bently nevada ) is set -10 volt for zero reference?

2 Answers  

---

What is the use instrument barriers? Can you give me review materials about this?

1 Answers  

---

difference between repeatability and reproductability

1 Answers   IOCL,

---

If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

0 Answers   QAFCO,

---

modbus and profibus communication difference?

1 Answers  

---

difference between vaccum and draft

0 Answers  

---

on which principle control valve works?

3 Answers   Lupin, Reliance,

---

Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

0 Answers   Process Control Technologies,

---

how can loop single 4-20 ma to two isolation amplifier? i mean i have two isolation amplifier with 4-20 ma input and 1-5 v output.can i done series connection ?

1 Answers  

---

What are the automatic controller MODES?

2 Answers   DEWA,

---