...
The detailed circuit diagram, and corresponding derivations, are available here: Circuit Diagram and Voltage to Temperature Derivations
All thermistors areThermistors:
235-1651625-ND: FP 07 FAST TIP PROBE, 150 Kohm, at 25C
AAS-920-267D-Thermometrics-NTC-TypeFP07-041216-web.pdf
self-heating is 1C per 50 uW of power dissipation. Resistance is 150K at room temperature. Still-air thermal time constant is 100 msec.
...