Basic measurement characteristics, Measurement accuracy – Atec Agilent-4287A User Manual
Page 5

Temperature
23
± 5 °C
Accurac y-specified plane
7-mm connector of 3.5-mm-7-mm adapter
connected to 3.5-mm terminal of test heads
When OPEN/SHORT/LOAD
calibration is performed:
|Z|,|Y|
[%]
q
[rad]
L, C, X, B
[%]
R, G
[%]
D
at
at
Q
at
at
When
OPEN/SHORT/LOAD/LOW-
LOSS C calibration is performed
(SPC):
|Z|,|Y|
[%]
E
a
E
b
+
(
)
±
E
a
E
b
+
(
)
100
---------------------------
±
E
a
E
b
+
(
)
1
D
x
2
+
(
)
×
±
E
a
E
b
+
(
)
1
Q
x
2
+
(
)
×
±
D
x
E
a
E
b
+
100
-------------------------
tan
1
<
1
D
x
2
+
(
)
E
a
E
b
+
100
-------------------------
tan
1
D
x
±
E
a
E
b
+
100
-------------------------
tan
-----------------------------------------------------
±
D
x
0.1
≤
E
a
E
b
+
100
------------------------
±
Q
x
E
a
E
b
+
100
------------------------
tan
1
<
1
Q
x
2
+
(
)
E
a
E
b
+
100
-------------------------
(
)
tan
1
Q
x
±
E
a
E
b
+
100
-------------------------
tan
-----------------------------------------------------
±
10
E
a
E
b
+
------------------------
Q
x
10
≥
≥
Q
x
2
E
a
E
b
+
100
------------------------
±
E
a
E
b
+
(
)
±
(
)
(
)
(
)
(
)
(
)
5
Basic Measurement Characteristics
Measurement accuracy
Conditions of accuracy specifications
Measurement uncertainty