Distance isolation temperature analog circuit diagram

Published:2011/8/16 2:52:00 Author:Rebekka | Keyword: Distance isolation , temperature analog | From:SeekIC

The figure shows the temperature analog circuit over long distances. In the practical application of the power system, the temperature of the equipment must be sent to the distance monitoring center, and it matchs with the measurement circuit, whichis isolated from the high voltage.In thecircuit, RTD is the platinum resistance temperature sensor, when the temperature rises, RTD resistance will be increased. The XTR101 has a high precision and WenPiao advantages, it can turn the temperature conversion into current signal, and it is easy to be transmitted over a long distance, because voltage signal in long-distance transmission loss error is large and vulnerable to electromagnetic interference.



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