B&K Precision 886 - Manual - Manual (Page 16)

13
ESR
Ae
= Ae of |Zx|
f : Test Frequency (Hz)
Xx : Measured Reactance Value (Ω)
Lx : Measured Inductance Value (H)
Cx : Measured Capacitance Value (F)
Accuracy applies when Dx (measured D value) ≦ 0.1
Example:
Test Condition:
Frequency : 1KHz
Level : 1Vrms
Speed : Slow
DUT : 100nF
Then
Ω =
⋅ ⋅ ⋅ ⋅
=
⋅ ⋅ ⋅
=
−
1590
10 100 10 2
1
2
1
9 3
π
π
Cx f
Zx
Refer to the accuracy table, get
C
Ae
=±0.2%,
Ω ± = ⋅ ± =
18 . 3
100
Ae
Xx ESR
Ae
D Accuracy:
100
Ae
D
Ae
± =