Answer / amit

two wire system means power supply of instrument and signal
output both communication coming through 2 wire only.

Answer / asim

By 2-wire it means the transmitter is powered form the
system to which it is connected... normally 24VDC and 4-
20mA signal is connected to the control system using only
one single pair of wires.

what will be the output of a temperature transmitter if temperature is 120 degree celcius?

6 Answers   KNPC,

---

Tyes of interface level measurement and how to use that technique for interface level measurement,

0 Answers  

---

What is transmitter

2 Answers   GNFC, QNFS,

---

What is heating effect?

0 Answers   Process Control Technologies,

---

How would i calibrate a new commissioned flow transmitter???

3 Answers  

---

what do you mean by smart instruments?explain with example

4 Answers  

---

how to calibrate an error for pressure transmitter, make it easy to understand

2 Answers   Descon,

---

How a oxygen sensor & analyzer work at boiler or furnace, whats the principle & science is beyond this,How O2 sensor sence & convert signal & move toward analyzer & analyzer show reading in percent?

2 Answers  

---

How many types of Control Modes in process control, plz tell me all.....?

2 Answers  

---

why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

---

generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

1 Answers  

---

What is zener diode? What is voltage regulator?

0 Answers  

---