why 4-20 mA signal is preferred over a 0-10V signal

17 Answers   Sofcon,

---

square root calculation for dp flow transmitter? give me a explanation with example

3 Answers  

---

What is the basic difference between Modbus and CAN Open Protocols

0 Answers  

---

Basic working principle of control valves

1 Answers  

---

Dear Sir/Madam, I am attending an interview for ETs in BHEL. I have cleared my written test under Electronics (Instrumentation). This is the first time I am appearing for an interview. Can any one who has attended the interview earlier give me a clue to face the interview. With regards Sindhu

2 Answers   Siemens,

---

i have 20 kw motor & my vfd drive capcity is 18 kw if possible to use 20kw motor on this vfd?

4 Answers  

---

How to check the SCAN time of DCS ,n dont give therotical answers .How to check the SCAN time of DCS during FAT?

2 Answers  

---

How many interlocks at turbine side?

0 Answers   Edac, SRF,

---

Relation in MMWC to Flow rate

1 Answers  

---

why we use -ve voltages in vibration prob?

1 Answers  

---

What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem? 

0 Answers   Process Control Technologies,

---

How many interlocks at turbine? Plz explain briefly

0 Answers   MRPL Mangalore Refinery and Petrochemicals Limited,

---