Can you tell me how we will select RTD and Thermocouples for
Temperature applications. I.e How we will choose accurate
one for a specefic operation if both having same ranges
- 3 Answers
- 7456 Views
- Nippon, I also Faced
- E-Mail Answers
Answer Posted / kul bhushan emecon controls
Ya i am agree with 2one but the the measure difference
between RTD & Thermocouple on their working principle.
1)RTD is limited up 500-700 degree celcius it is
manufactured up to 1000 degree celcius on special cases.
2)It is mainly used for measurement up to 500 degree
celcius.
3)It is available in 2,3 or 4 wire configuration.
4)We can use transmitter or card when we are interfacing
the RTD with DCS.
5)It's accuracy is good in comparision of Thermocouple on
small Temperature ranges.
Thermocouple
1)It is based on seeback effect.
2)It is generaly use for higher Temperature ranges up to
3000 degree celcui(ceramic type thermocouple in special
case)
3)It is not a 3,4 wire device.
4)Grounded thermocouples are used where fast response is
required.(Thermocouple tip is welded with thermowell.
5)O/P is mV.
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
2. What is ultrasonic flowmeter?
HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!
How an rtd work, and what volts/current goes to a rtd to measure the resistance?
If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?
what is the difference between attemperator and desuperheater ?
What are the error values can accepted in flow transmitter calibration?could u give any formula for this?
how can leve transmetter calibate in feild .and also put cv and flow plz .....
Explain pH, Conductivity.
how to relay switch sense the fault?
How we calculate orifice plat size???
hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com
Q- What are the application in which PNP transistor is preferred over NPN ?
Explain signal isolator
what is the procedure of O2 sensor(ABB) calibration?
What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?
