Answer / roshan t

SOx NOx meters have one reference gas cylinder on which first they calibrated then sample gas passes through this analyser where SOx gas volume measures against voltage in m3/kg or in ppm
also if u want then multiply m3/kg by 24.75 and divide it by its molecular weight u got ppm value

difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

---

how many types of orifice plates?and explain about it?

2 Answers   Kesoram,

---

what is ment by PID controllers? explain with example?

2 Answers  

---

How comparison of objects is done in PHP5?

1 Answers   TIS,

---

how u measure dp in dp tx? how u calibrate a dp tx?

3 Answers   Invensys,

---

---

What does a fire detector detects?

4 Answers   GAIL,

---

Air pressure in a pressure vessel can rise or fall at up to 2.5kpa/s.The pressure is sampled every 0.5 seconds.If range of the the pressure indication is 0 to 1500 kPa, what is the max value of the error due to sampling in % of Span

2 Answers  

---

Give Detail information about plc,dcs,and scada system?

0 Answers  

---

hello.my friends.i am an electronics & instrumentation engineer.i want to know Q1.why lugs use in instrumentation cable termination? Q2.if limit switch not working what to do?

2 Answers  

---

In my plant I want to mount a steam flow transmitter .Flow nozzel is already mounted in steam line .So how can i know the range to put in flow transmitter?

1 Answers  

---

Which standard is used for calibration of Control Valves ?

2 Answers  

---

Name some of the common protocol use in automation.

3 Answers   Empower,

---