Temperature sensor current transmission circuit

Published:2012/10/11 21:21:00 Author:Ecco | Keyword: Temperature sensor, current transmission | From:SeekIC

Resistors in the circuit use metal film resistors, and its accuracy is better than 1%, and the temperature coefficient TC is less than ± 50 × 10-6 / k; measuring range: 0 to 100 ° C , the current I = 4 + T/6.25, current unit is mA, and temperature T unit is ℃. The circuit is composed of KTY87 two-wire current transducer, Wheatstone bridge with preamplifier, current transmitter output stage and regulator.



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