Explain the use of hair spring in the pressure gauge.

0 Answers  

---

What is the Difference between E/P Positioner and I/P positioner in a control valve? In which applications the respective positioners are used in?

18 Answers   ADCO,

---

what is disadvantage of field bus (ff)type of instrument

1 Answers  

---

We Have Two Field bus Pressure Transmitters of Different Sensor Range (I.E One is of Lower range and Another is of Higher Range).Is same Process Line. My Question is Can i provide Saturation Limit to my field Bus Transmitter as We can provide Saturation current limit to HART Instruments. As During Low Pressure Both Working OK ,But During High Pressure, transmitter with Lower sensor range Goes to Fault mode as Beyond its Sensor Limit it can Measure, So may I provide Saturation point Some where to Suppress This Fault during High Pressure.

0 Answers   OPaL,

---

Can a pneumatic control valve work without positioner?

4 Answers   SMC,

---

we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?

0 Answers   Yokogawa,

---

why r using 250 resistances

6 Answers   Sabic, Samsung,

---

what is the differnce betweeen hart and smart tx

3 Answers  

---

What is the working principle of oxygen analyzers(zirconium oxide type) used in CFBC boilers?

3 Answers   Bajaj, Kohinoor, Wartsila,

---

loop chech tools list

1 Answers   BAP,

---

Explain bernoulli’s theorem.

0 Answers  

---

what is meant by cold junction compensation. where it is used.

1 Answers   SRACO,

---