Advantages and disadvantages of RTD (resistance temperature detector)

Advantages:

There are some advantages of RTD (resistance temperature detector) which are given below,

  • The RTD can be easily installed and replaced.
  • It is available in wide range.
  • The RTD can be used to measure differential temperature.
  • They are suitable for remote indication.
  • Stability maintained over long period of time.
  • No necessity of temperature compensation.

Disadvantages:

There are some disadvantages of RTD (resistance temperature detector) which are given below,

  • The RTD require more complex measurement circuit.
  • It is affected by shock and vibration.
  • Bridge circuit is needed with power supply.
  • Slower response time than a thermocouple.
  • Large bulb size.
  • Possibility of self heating.
  • Higher Initial cost.
  • Sensitivity is low.
Resistance temperature detector

Resistance temperature detector

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