Question
Download Solution PDFThermocouple meters are AC meters that respond to the ________ of a signal.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThermal-Thermoelectric:
The instrument which uses the thermocouple for the measurement of the temperature, current, and voltage type of instrument is known as the thermocouple instrument.
It is used for both the AC and DC measurement. The thermocouple is an electric device that uses two wires of different metals.
Thermocouple meters are AC meters that respond to the RMS value of a signal.
- Permanent Magnet Moving Coil (PMMC) is only used for DC measurements.
- Moving Iron (MI) type instruments can be used for both AC & DC measurements.
- Rectifier type instruments are used for AC measurements.
- Induction type instruments are only used for AC measurements.
- Thermocouple meters can be used for both DC as well as AC quantities.
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