Linearized platinum resistance thermometer


Posted on Feb 4, 2014

With the values shown, this circuit has a ±0. 025 °C accuracy over 0 ° to 100 °C. The input offset voltage of the LT-1001, and its drift with temperature, are permanently trimmed at wafer test to a low level. However, if further adjustment of VOS is necessary, nulling with the circuit of Fig. 10-4B will not degrade drift with temperature. The Fig.


Linearized platinum resistance thermometer
Click here to download the full size of the above Circuit.

10-4B offset circuit has an approximate null range of ±100 V. o Raytheon U near Integrated a rcuts 1989, p. 4-45.




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