what is the difference between two wire transmitter and 4- wire transmitter

what is the difference between two wire transmitter and 4-
wire transmitter

Question Posted / link2mohi

3 Answers
20755 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

what is the difference between two wire transmitter and 4- wire transmitter..

Answer / pralay kumar jana

In two transmitter, power-supply is provided through two
wires and signal also returns through the same wire.

But in case of four wire transmitter, power-supply is
provided through two wires, while signal returns through two
other wires.

Is This Answer Correct ?

44 Yes

1 No

what is the difference between two wire transmitter and 4- wire transmitter..

Answer / george s

In the two wire transmitter one wire shall be the power
wire and the other wire will be the return wire(4-20mA)

Where as in the 4 wire transmitter (2 wires for power
supply and the other two for the 4-20 mA output)

Is This Answer Correct ?

30 Yes

19 No

what is the difference between two wire transmitter and 4- wire transmitter..

Answer / aravind

in 2 wire X'mtr we are following wheatson bridge method ,so it need only 2 wire but in 4 wire x'mtr we following induction method like limit switch so its need 4 wire

Is This Answer Correct ?

1 Yes

8 No

Post New Answer

More Instrumentation Interview Questions

I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

0 Answers

i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

0 Answers

Hi, Is there any smart plant instrumentation design training institute in Bangalore?

0 Answers

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

0 Answers

cascade controller is feed back or feed forward or both

4 Answers

the output of the common trasmitter protocol in qatar gas are the following

0 Answers

how to control motor load with rpm or vfd

1 Answers

In thermocouple could we use the lug for termination or not,Thermocouple is any time,I am currently concerned with K type.please let me know if anybody know

4 Answers Saudi Aramco Shell Refinery Company SASREF,

Which of the following instruments consumes maximum power during measurement?

3 Answers

can install leveltrol in steam drum for measurment the level of steam drum? if not then why?

1 Answers

How to measure the dust in chimney(spm)?

0 Answers Thermax,

Lube oil pressure transmitter local it's showing 9.8 kg/cm2 but dcs side it's showing 9.26 like that what is the reason?

3 Answers Edac,

For more Instrumentation Interview Questions Click Here