B&K Precision 889B - Manual - Manual (Page 10)

9
Z Accuracy:
As shown in table 1.
C Accuracy:
Cx f
Zx
⋅ ⋅ ⋅
=
π
2
1
C
Ae
= Ae of C
f : Test Frequency (Hz)
Cx : Measured Capacitance Value (F)
|Zx| : Measured Impedance Value (
Ω)
Accuracy applies when Dx (measured D value)
≤ 0.1
When Dx > 0.1, multiply C
Ae
by
2 1 Dx
+
Example:
Test Condition:
Frequency : 1KHz
Level : 1Vrms
DUT : 100nF
Then
Ω =
−
⋅ ⋅ ⋅ ⋅
=
⋅ ⋅ ⋅
=
1590
9
10 100
3
10 2
1
2
1
π
π
Cx f
Zx
Refer to the accuracy table, get C
Ae
=±0.1%
L Accuracy:
Lx f Zx
⋅ ⋅ ⋅ = π
2
L
Ae
= Ae of L
f : Test Frequency (Hz)
Lx : Measured Inductance Value (H)
|Zx| : Measured Impedance Value (
Ω)
Accuracy applies when Dx (measured D value)
≤ 0.1
When Dx > 0.1, multiply L
Ae
by
2 1 Dx
+
Example:
Test Condition:
Frequency : 1KHz
Level : 1Vrms
DUT : 1mH
Then
Ω =
−
⋅ ⋅ ⋅ =
⋅ ⋅ ⋅ =
283 . 6
3
10
3
10 2
2
π
π
Lx f Zx
Refer to the accuracy table, get L
Ae
= ±0.5%