U2836 Operation Manual Chapter 5 Execute LCR operation and some examples
47
6.3.5 Accuracy of G
When Dx (tested value of D)≤0.1
The accuracy of G is given by the formula below:
G
e
= B
x
×D
e
[S]
B
x
= 2πfC
x
=
xfL
π
2
1
Where, B
x
is the value of tested B with the unit [S].
C
x
is the value of tested C with the unit [F].
L
x
is the value of tested L with the unit [H].
D
e
is the accuracy of D.
F is test frequency.
The accuracy of G is only available in C
p
-G and L
p
-G combination
6.3.6 Accuracy of Rp
when D
x
(value of tested D)≤0.1
The accuracy of R
p
is given by the formula below:
R
p
=
ex
epx
DD
DR
m
±
[Ω]
Where, R
px
is the value of tested R
p
with the unit [S].
D
x
is the value of test D with the unit [F].
D
e
is the accuracy of D.
6.3.7 The accuracy of Rs
when D
x
(value of tested D)≤0.1
The accuracy of R
s
is given by the formula below:
R
se
= X
x
×D
e
[Ω]
X
x
= 2πfL
x
=
xfC
π
2
1
Where, X
x
is the value of test X with the unit [S].
C
x
is the value of test C with the unit [F].
L
x
is the value of test L with the unit [H].
D
e
is the accuracy of D
F is test frequency
6.3.8 Accuracy factor
Figure A shows the basic measurement accuracy A.