Answer / p n vadalia

Earth leakage detector is readily available for detecting
earth leakage in 24 VDC, and 110/ 230 VAC supply and it can
be connected on distribution bus bar. This device will
generate alarm when leakage is observed. you had connected
this device at bus bar and on receipt of alarm, for further
identification can be done with the help of multimeter by
measuring individual branch voltage with respect to earth,
here supply vo;ltage is considered floating.

Answer / jigaranadkat

@ Mr. P.N.Vadalia

Sir Won't it make it a grounded supply?

how to calculate static pressure in a pipe line,when we know the DP(differential pressure) in the line, area of the pipe? please any one tell me the relation between them..?

2 Answers  

---

How do understand by hart protocol?

4 Answers   BW Instrumentation Electrical,

---

why we use 250 ohms across HART CALIBRATOR DURING CALIBRATION OF TRANSMITTER

4 Answers  

---

WHY WE WILL USE 0-24VdC IN ELECTRONIC CIRCUITS AND INSTRUMENTATION TRANSMITTERS?

3 Answers   Aban Power, Jindal, JSW, Sugar Factory,

---

Whatis the reset ofset and control system in instrumentation

0 Answers   Asyad International Company, CAE, Sugar Factory,

---

What is surge and how is it prevented.

1 Answers   ADMA OPCO,

---

what is the approximate cost of U tube manometer having range 1000mmwc to 1000mmwc?

1 Answers  

---

protection relay watchdog contact operation?

0 Answers   L&T,

---

in the pipe line if the control valve fails to respond to controller action,by what means we can stop the flow in the pipe line ?

9 Answers  

---

what is the main supply source for pressure transmitter?

1 Answers  

---

what is function of DCS , and how is it work , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

---

what is the procedure to isolate flow a transmitter and flushing it?

8 Answers   Petrofac,

---