Step input or ramp input

  • Thread starter Priya3
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  • #1
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Is input to a thermocouple a step or ramp?
 

Answers and Replies

  • #2
Baluncore
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Welcome to PF.

Can you rephrase your question or give more details?
The input is a temperature. A thermocouple generates a very small voltage that is proportional to voltage.
http://en.wikipedia.org/wiki/Thermocouple
 
  • #3
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a thermocouple is a single capacity system..so when immersed in water bath what would be the input to the thermocouple at that instant....is thAT a ramp input or step input??
 
  • #4
Baluncore
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An instant change must be a step. A thermocouple has thermal mass so it will take time to exponentially settle towards a final value. That is closer to a ramp than a step. What is the time constant of the thermal change?
 

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