GW Instek GOM-804 - Temperature Compensation

GOM-804 & GOM-805 User Manual
52
Temperature Compensation
Background
If the resistance of a DUT at a particular temperature is
needed, the compensation function can be used. This
function can simulate the resistance of a DUT at a
desired temperature. If the ambient temperature and the
temperature coefficient of the DUT are known, it is
possible to determine the resistance of a DUT at any
temperature.
The Temperature Compensation works on the following
formula:
)(1 00
0
t-tα
R
R
t
t
t


Where:
R
t
= Measured resistance value (Ω)
R
t0
= Corrected resistance value (Ω)
T
0
= Inferred absolute temperature
t
0
= Corrected temperature (ºC)
t = Current ambient temperature (ºC)
α
to
= Temperature coefficient of resistance at the correct
temperature.
00 |
1
tT|
ato


.
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