what is difference between 3 wire and 4 wire RTD sensor?

Answer Posted / imran aslam

3rd wire is used as compension and if we use 4 wire RTD it
elemeneted more resistence as compere to 3 wire.4 wire is
more perfect

Is This Answer Correct ?    41 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

1077


State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.

1533


What are de-saturators?

725


Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

3478


what are the selections available in configuring a burnout protection of a controller? thanks

1450






What is PDS and PDMS ?

1693


how to tune siemens sipart electro pneumatic positioner..plz tel me..

1657


how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?

1477


which processor is used in dcs.

1818


I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??

984


in mass flow meter what is drive friquancy ?

1618


Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

1488


Introduce yourself which is not present in your biodata?

1958


Linear amplifier.

1540


How does work A temperature valve or fv control valve in process plz brief me

1918