How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

0 Answers   Process Control Technologies,

---

My rtd working well at the same time r/i converter is not working properly.when power is given to rtd..it is giving 30mA and getting 2.4 mA if i remove the compensate leads No matter how many ohms.why it is happening like so?what is the solution?rtd range-0-200deg c& 4-20 mA o/p.please give me solutiin anyone......

1 Answers  

---

what is PM/CM/RCM?

2 Answers   Emco,

---

How an rtd work, and what volts/current goes to a rtd to measure the resistance?

0 Answers  

---

hydrogen purity meter calibrating and commissioning procedure can be explained?

1 Answers  

---

how to control pid

0 Answers  

---

modbus and profibus communication difference?

1 Answers  

---

meaning of SMART

3 Answers   ISRO,

---

I have a steam flow DP transmitter that has output swinging. Steam valve is in manual.I have good steam pressure. The impulse lines have steam tracing on them. The steam tracing has a hole in it that is blowing raw steam on the high side impulse line only. Could this be causing the swinging?

1 Answers   Honeywell,

---

what does it mean an active front end in vfd plz explain it briefly

0 Answers  

---

What is the deffernce bet. Instrumentation and Electrical Enginerring?

1 Answers  

---

2. What is ultrasonic flowmeter?

1 Answers  

---