GW Instek LCR Series - Accuracy; L, C, R |Z| Measurement Accuracy; Accuracy for D

LCR-6000 Series User Manual
133
13.1 Accuracy
13.1.1 L, C, R |Z| Measurement Accuracy
The accuracies of L, C, R, |Z| is equal to A
e
, which is
defined by:
A
e
= ± [A×A
r
+(K
a
+K
b
+K
f
)× 100+K
L
]× K
c
[%]
A: Basic measurement accuracy
A
r
: Basic accuracy correction factor
K
a
: Impedance factor a
K
b
: Impedance factor b
K
c
: Temperature factor
K
f
: Open/short trimming factor
K
L
: Test leads’ length factor
The method to calculate the accuracy of L and C depends
on whether D
x
(D measurement value)is ≤0.1 or not.
The method to calculate the accuracy of R depends on
whether Q
x
(Q measurement value) is ≤0.1 or not.
When D
x
≥0.1, L and C’s accuracy factors, A
e
, should be
multiplied by
2
1
x
D
.
When Q
x
≥0.1, R’s accuracy factor, A
e
, should be
multiplied by
2
1
x
Q
.
13.1.2 Accuracy for D
D’s accuracy is defined below:
D
e
=
100
Ae

(when D
x
≤0.1 )
When D
x
>0.1, D
e
should be multiplied by (1+D
x
)
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