GW Instek LCR Series - Table 13-1 Impedance Correction Factors

LCR-6000 Series User Manual
137
Figure 13-2 Table for basic accuracy correction factor Ar
10m 20m
50m
5m
100m
200m 500m
1 2 3
1
2
5
10
20
50
100
1.2150m
Ar
[Vrms]
Table 13-1 Impedance correction factors
Measurement
speed
Measuring frequency
K
a
K
b
Slow
Medium
f
m
100Hz
)
100
1)(
200
1)(
101
(
3
msm fVZ



)
100
1)(
70
1)(101(
9
ms
m
fV
Z 

100Hzf
m
≤100kHz
)
200
1)(
101
(
3
sm VZ



)
70
1)(101(
9
s
m
V
Z 

f
m
100kHz
)
200
2)(
101
(
3
sm VZ



)
70
1)(103(
9
s
m
V
Z 

Fast
f
m
100Hz
)
100
1)(
400
1)(
105.2
(
3
msm fVZ



)
100
1)(
100
1)(102(
9
ms
m
fV
Z 

100Hzf
m
≤100kHz
)
400
1)(
105.2
(
3
sm VZ



)
100
1)(102(
9
s
m
V
Z 

f
m
100kHz
)
400
2)(
105.2
(
3
sm VZ



)
100
1)(106(
9
s
m
V
Z 

f
m
: Measuring frequency [Hz]
Z
m
: The impedance of the DUT [Ω]
V
s
: The amplitude of the measuring signal [mVrms]
When the impedance is less than 500Ω then use K
a
; K
b
can be ignored.
When the impedance is larger than 500Ω then use K
b
; K
a
can be ignored.
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