1)how we calculate the drum level? and how we select the transmitter range?

3 Answers  

---

Thermocouples work as follow:

1 Answers   Dashen Brewery, Tata Power,

---

I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

0 Answers   JSW,

---

If range of 3-15 psi, a multiplying relay with a 1:2 ratio would give what output pressure for 6 psi input?

1 Answers  

---

Hi, Is there any smart plant instrumentation design training institute in Bangalore?

0 Answers  

---

I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration  So is there any causes biside this or  any  permissives ?

0 Answers  

---

Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?

5 Answers   Air Liquide,

---

What is diffrence between Transducer and Transmitter?

13 Answers   Ford,

---

what is the difference between attemperator and desuperheater ?

0 Answers  

---

what is different between modbus and serial link? please could anybody give right answer.

2 Answers  

---

What is rated capacity in Control valve

3 Answers  

---

What is the difference between PLC and DCS?

4 Answers   Honeywell,

---