What is the difference between radar and ultrasonic level transmitter? Which method is best and more accurate?

8 Answers  

---

WHAT IS THIS INSTRUMENTATION?

7 Answers  

---

can i calibrate DP transmitter online (while Tx in Service) if yes ,how?

1 Answers   CEPC,

---

What is pressure,What is temperature,What is flow,What is level

4 Answers   Keltech, Petrofac,

---

How to Calibrate variable Head flowmeter (Orifice), here we dont know High pressure and low pressure then how to apply pressure on HP and LP side ?

1 Answers   Nirma,

---

---

why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   Sabic, TVS,

---

which are types of orifice tap ?

2 Answers  

---

Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?

3 Answers  

---

Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

0 Answers  

---

when we calibrate the DP transmitter at that time which matrial we used in pressure pump?

4 Answers  

---

How flow control valve is working with pnuematic positioner and I/P convreter from command is given from remote

1 Answers   Ecil, GAIL,

---

what is meant by nuclear power plant?

1 Answers  

---