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Académie
Instrumentation
Instrument and Control Technician Red Seal
Temperature Measurement
Vérification des connaissances
Temperature Measurement
Vérification des connaissances
Vérification des connaissances
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Why is a 2-wire RTD configuration only suitable for short cable runs?
A
Electromagnetic interference corrupts the digital signal beyond 10 meters
B
Signal attenuation reduces the millivolt output over long distances
C
Lead wire resistance adds directly to the measured resistance, causing a positive error
D
The excitation current drops below the minimum threshold for long wires
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