Temperature RTDs - PowerPoint PPT Presentation
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Title:
Temperature RTDs
Description:
1. Temperature - RTDs. An RTD changes resistance as a function of temperature. Using Ohm's Law. VOUT = I RT. VREF. I. RREF = 25k. RT. VOUT. 100 at 0 C, 0.4 / C ... – PowerPoint PPT presentation
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Title: Temperature RTDs
1
Temperature - RTDs
- An RTD changes resistance as a function of
temperature - Using Ohms Law
- VOUT I ? RT
VREF
I
RREF 25k
-
100? at 0C, 0.4?/C
RT
VOUT
As RT changes with temperature, the output
voltage changes
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