123
Accuracy
Condition of the above formula is Q
x
×D
e
<1
13.1.4
θ
Accuracy
θ
accuracy are given by the following formula
：
100
180
e
e
A
×
=
π
θ
[deg]
13.1.5
R
p
Accuracy
When D
x
(measured D value)
≤
0.1
R
p
accuracy are given by the following formula
：
R
p
=
e
x
e
px
D
D
D
R
×
±
[Ω]
Here, R
px
is the measured Rp value [S]
。
D
x
is the measured D value [F]
。
D
e
is accuracy of D.
13.1.6
R
s
Accuracy
When D
x
(measured D value)
≤
0.1
R
s
accuracy are given by the following formula
：
R
se
= X
x
×D
e
[Ω]
X
x
= 2πfL
x
=
x
fC
π
2
1
Here
，
X
x
is the measured X value [S]
。
C
x
is the measured C value [F]
。
L
x
is the measured L value [H]
。
D
e
is accuracy of D
F
is test frequency
13.2
Accuracy Factor
Figure 13-1
Basic measurement accuracy A