GW Instek LCR-1100 - Accuracy Formulas for ESR and Phase Angle

LCR-1000 Series
74
Accuracy ESR and Φ
ESR is equal to the series equivalent resistance (Rs)
ESR accuracy formula:
exe
XRs 

[Ω]
Where: e is ’s accuracy.
Among them, Xx is the measured reactance value
xx
fLX 
2
or
x
x
fC
X
 2
1

Phase Angle Accuracy:
Where:
Lx is the measured L value. [H]
Cx is the measured C value. [F]
e is ’s accuracy.
Parallel equivalent resistance accuracy formula:
ex
epx
pe
D
R
R





[Ω]
Where:
Rpx is the measured Rp value. [Ω]
Dx is the measured D value.
De is D’s accuracy.