Atec Agilent-4395A - Manual (Page 18)

|Y| -
θ
Accuracy
|Y| accuracy Y
a
=
A
+ (
B
×
Y
m
+
C/ Z
m
) ×
100
[
%
]
θ
accuracy
θ
a
=
sin
−
1 (
Y
a
/100
)
Where, is |Y| measured. A, B, and C are obtained from Figure 1-7. Y
m
R - X Accuracy (Depends on D)
Accuracy D ≤ 0.2 0.2 < D ≤ 5 5 < D
R
a
±X
m
x X
a
/100[ Ω] R
a
/cos θ [%] R
a
[%]
X
a
X
a
[%] X
a
/sin
θ
[%] ±R
m
x R
a
/100[
Ω]
Where,
D can be calculated as:
R/X, or
, or R/
(
2
π
f
×
L
s
)
R
×
2
π
f
×
C
s
θ
can be calculated as: , or tan
−
1 (
X/R
)
, or tan
−
1 (
2
π
f
×
L
s
/R
)
tan
−
1 (
1/
(
R
×
2
π
f
×
C
s
))
R
a
=
A
+ (
B/ R
m
+
C
×
R
m
) ×
100 %
X
a
=
A
+ (
B/ X
m
+
C
×
X
m
) ×
100 %
R
m
and X
m
are the measured R and X, respectively. A, B, and C are obtained from Figure 1-7.
G - B Accuracy (Depends on D)
Accuracy D ≤ 0.2 0.2 < D ≤ 5 5 < D
G
a
±B
m
x B
a
/100[S] G
a
/cos
θ
[%] G
a
[%]
B
a
B
a
[%] B
a
/sin
θ
[%] ±G
m
x G
a
/100[S]
Where,
D can be calculated as:
, or G/B
, or G/
(
2
π
f
×
C
p
)
G
×
2
π
f
×
L
p
θ
can be calculated as: , or tan
−
1 (
B/G
)
, or tan
−
1 (
2
π
f
×
C
p
/G
)
tan
− 1 (
1/
(
G
×
2
π
f
×
L
p
))
G
a
=
A
+ (
B/ G
m
+
C
×
G
m
) ×
100
[
%
]
B
a
=
A
+ (
B/ B
m
+
C
×
B
m
) Ч
100
[
%
]
18