Answer / gaddam nagaraju

To convert mv(k type thermocouple output) to deg'c.

Use the formula temperature=(mv*25) 25


Here last 25 is ambient temperature it may be around any value depends on ambient temperature

First 25 is for 1mv=25 deg.C for k type

Answer / xxxc

its live zero system. bcoz we choose 0-20 at that time at 0 ma how can we say that our system is healthy. so we choose 4-20 ma. for better trouble shooting.

How to O2 analyzer works?

1 Answers  

---

relation between level and differential pressure.

3 Answers  

---

I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

---

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

0 Answers  

---

how the 2.5bar pressure able to control the 40bar steam

8 Answers   IBM, PAFL, Thirumalai Chemicals,

---

please help me to get the below mentioned quires,which i have to submit for my client.[INSPECTION TEST PLAN] 1]I.T.P for Calibration of all instrument. 2]I.T.P for SS tubing. 3]I.T.P for Fire & Gas devices. 4]I.T.P for CCTV & telecommunication. 5] I.T.P for loop checking.

1 Answers  

---

what is the relation between flow and pressure.for example relationship between level and pressure is p = phg like that i want ans for this question.and also how to calculate orifice sizing and flow transmitter. pls some one ans for this questions.

3 Answers   Orchid, SRF,

---

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

---

typical loop drawing of a simple feedback control comprising of one transmitter and one control

0 Answers  

---

I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?

3 Answers   OPaL,

---

GIVE BRIEF DESCRIPTION ABOUT "DCS"

2 Answers  

---

i am having information technology branh ....... can i prepare for psu exam

0 Answers  

---