These 3 Smath documents are minimalist: Scientific/Engineering/Edu.
1. Germanium sensors as Secondary Standard ... as delivered
2. Pt sensors as Primary Standard [check more for their range].
3. Thermocouples T/C types T, J for industrial applications.

You may afford an household cheap thermometer.
In 1977, the Nuclear Power Plant I used to work had several
temperature points @ 10000 $ each ... just a peanut !

Enjoy those calculators ... any questions ?
Cheers ... Jean

Inst_Type T_J NBS 125 Copy.sm (117 KiB) downloaded 71 time(s).
Inst_Type Ge Copy.sm (220 KiB) downloaded 59 time(s).
Inst_Type Pt100 Reconciliation Copy.sm (536 KiB) downloaded 77 time(s).

Wrote

Enjoy those calculators ... any questions ?

... this document reconciliates the previous Pt100 Calculator.
1. It is all inclusive for tracability
2. Guidance for calibrating the loop.
3. eit90 decimals respected.

Jean

Inst_Type Pt100 CALCULATOR Copy.sm (108 KiB) downloaded 67 time(s).