Title :
An improved lead compensation technique for three-wire resistance temperature detectors
Author :
Pradhan, Saibal ; Sen, Susanta
Author_Institution :
Inst. of Radio Phys. & Electron., Calcutta Univ., India
fDate :
10/1/1999 12:00:00 AM
Abstract :
An improved lead resistance compensation technique for use with three-wire resistance temperature detectors is presented. The present practice of using the three-wire concept in an unbalanced bridge to provide signal to direct reading instruments produces nearly 1% error for a lead resistance as low as 1 Ω. In contrast, the new method limits the error to below 0.1% with much higher lead wire resistances
Keywords :
bridge circuits; electric sensing devices; error compensation; measurement errors; resistance thermometers; temperature measurement; 1 ohm; direct reading instruments; error compensation; lead compensation technique; lead wire resistance; resistance bridges; resistance measurement; temperature measurement; three-wire resistance temperature detectors; unbalanced bridge; Bridge circuits; Detectors; Electrical resistance measurement; Instruments; Joining processes; Particle measurements; Temperature measurement; Temperature sensors; Transducers; Wires;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
