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GW Instek GOM-804
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GOM-804 & GOM-805 使用手册
1 57
例子计算 PT-100 RTD 100˚C (T)的电阻。
PT-100 RTD 使用的 R
0
(@0˚C)alphabeta
delta 值:
T=100˚C
R
0
(at 0˚C) = 100
Alpha=0.003850
Beta=0.10863
Delta=1.49990
根据上述等式计算 AB C
A=0.00391
B=5.77e-7
C=4.18e-12
RTD 100˚C (R
100
)的电阻值等于:
R
100
: =R
0
[1+AT=BT
2
+CT
3
(T-100)]
=100{1+[(0.00391)(100)]+[(-5.77e-7)(100
2
)
+[(-4.18E-12)(100
3
)(100-100)]]}
=138.5

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