how is work pressure switch& level switch?what is the principle of this?

0 Answers   Binani,

---

I have a problem with a valve (air to close). When it is fully closed and try to open 1% it doesn't responce till 3% open suddenly more than 3% then back to 3%. I tried to tune positioner then removed it, the problem still exist. Any idea

3 Answers  

---

Tell me about PID Tuning and what is PID.

4 Answers  

---

how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

0 Answers  

---

why is an oxygen sensor used in a boiler stack

2 Answers   HCL,

---

when a magnet is heated?

0 Answers  

---

WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

0 Answers  

---

if i change range of flow transmitter in th field then does it need to change range in dcs?

3 Answers  

---

What is the difference between HMI and SCADA?

2 Answers  

---

what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

0 Answers  

---

what is modbus,profibus,fieldbus

2 Answers  

---

How to erection of DCS Panel at site step by step

0 Answers  

---