what is the difference between -24 : +24 & 0:24 and where it use?

0 Answers  

---

what is formula mv convert to temperture

4 Answers   Sterlite,

---

May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

0 Answers  

---

what is interlock ckt? why it is necessary in industrial machines ?

2 Answers   IOCL,

---

what is written on orifice plate?

4 Answers  

---

why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

6 Answers   OGDCL,

---

How does a strain gauge measure pressure?

2 Answers  

---

what is the formulae to find the thermocouple output to temperature

5 Answers  

---

what is positive displacement meter.

1 Answers   Takreer,

---

Draw a great bridge circuit.

0 Answers   CCIE,

---

I work on a electronic positioner transmitter 4211 at the field.I connect my multimeter in series to get the current output then I calibrate it to 4ma in 0% of position of the valve and 20ma in 100% position of the valve.My problem is in the field I get the correct output current based on my multimeter but in the dcs they only receive 40% in a output 20ma of this positioner.Then I try to simulate in this analog card and they receive the equivalent percent on the value that I simulated.Is ther any possibility to reset the zero and span of this positioner 4211 fisher.And what other possibility I can do to fixed this.This is my email add ( landicho_randy@yahoo.com )

4 Answers  

---

how to calibrate steam control valve in steam turbine

0 Answers  

---