19:05:36	 From  Sérgio Lima : boa noite
21:30:07	 From  Prof Alexandre Mendes : 0,1 °C
21:30:24	 From  Prof Alexandre Mendes : 0,2 °C
21:30:41	 From  Prof Alexandre Mendes : 0,2-0,1 = 0,1 °C (histerese do Pt-100)
21:41:09	 From  Prof Alexandre Mendes : T(0) = 0,03 °C
21:41:24	 From  Prof Alexandre Mendes : T(0) = 0,07 °C
21:41:36	 From  Prof Alexandre Mendes : var = 0,07-0,03 = 0,04 °C