User manual

BASIC MEASUREMENT
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Series formula








+
=
2
1
1
Q
L
L
P
S
Q=quality factor
Parallel formula








+=
2
1
1
Q
LL
SP
Q=quality factor
When to use Series (L
S )
Small inductance:
Reactance (X
L
) < 1kΩ
Note: fLX
L
π 2=
When to use Parallel (L P )
Large inductance:
Reactance (X
L
) > 1kΩ
Note: fLX
L
π 2=
Resistance Series diagram Parallel diagram
Series formula
( )
2
1 Q
R
R
P
S
+
=
Q=quality factor
Parallel formula
(
)
2
1 QRR
SP
+=
Q=quality factor
When to use Series (R S )
Small resistance: < 1kΩ
When to use Parallel (R P )
Large resistance: > 1kΩ
LCR-8000G Series User Manual
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Resistance (R) and Conductance (G = 1/R)
Background
Resistance measures how difficult it is for the
electricity to flow between two terminals.
Conductance is the reciprocal of Resistance and
measures how easily the electricity flows.
Resistance Conductance
Type
• Series Resistance R
S
• Parallel Resistance R
P
• DC Resistance R
dc
• Parallel Conductance
G
P
(= 1/R
P
)
Note: Conductance is
available only for
parallel circuit models.
Display Range
0.01mΩ ~ 1GΩ 0.001ns ~ 1ks
Measurement
combination
• C
S
+ R
S
• L
S
+ R
S
• X
S
+ R
S
• C
P
+ R
P
• L
P
+ R
P
• B
P
+ R
P
• R
dc
• C
P
+ G
P
• L
P
+ G
P
• B
P
+ G
P
Formula
jXZ
G
I
V
R
S
−===
1
C
j
ZLjZ
SS
ϖ
ϖ
+=−=
(
)
22
XRZ
S
+=
( )
22
XR
RX
Z
P
+
=
θ cosZR
S
=
jBY
R
V
I
G
PP
−===
1
L
j
YCjY
PP
ϖ
ϖ
+=−=
( )
22
BG
GB
Y
S
+
=
(
)
22
BGY
P
+=
θ cosYG
P
=