Advantages and disadvantages of resistance temperature detector (RTD)

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

• The accuracy of RTD is good.
• Temperature compensation is not necessary.
• The RTD available in wide range.
• The stability maintained over long period of time.
• It can be used to measure differential temperature.
• It is suitable for remote indication.
• It can be easily installed and replaced.

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

• The cost of RTD is high.
• It has large bulb size.
• Low sensitivity occurs in RTD.
• Affected by shock and vibration.
• Possibility of self heating.
• Bridge circuit is needed with power supply.

RTD Temperature Sensors