Measurement Accuracy; Conditions For Defining Accuracy; Accuracy When Open/Short/Load Calibration Is Performed - Agilent Technologies E4991A Operation Manual
Impedance/material analyzer
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Also See for E4991A:
- Installation and quick start manual (150 pages) ,
- Service manual (358 pages)
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Specifications and Supplemental Information
Measurement Accuracy
Measurement Accuracy
NOTE
The following information is also applicable to the measurement accuracy of E4991A
Option 010.
Conditions for Defining Accuracy
Temperature
Calibration plane
Measurement frequency points
Accuracy When Open/Short/Load Calibration is Performed
|Z|, |Y|
θ
L, C, X, B
R, G
D
at
at
Q
at
at
244
E
+
E
a
b
<
D
tan
------------------
1
x
100
≤
D
0.1
x
E
+
E
a
b
<
Q
tan
------------------
1
x
100
10
≥
≥
------------------
Q
10
x
E
+
E
a
b
23 ±5°C
7-mm connector of test head
Same as calibration points.
±
(
)
E
+
E
[%]
a
b
(see Figure 11-1 through Figure 11-4 for examples of
calculated accuracy)
(
)
E
+
E
a
b
±
---------------------- -
[rad]
100
2
±
(
E
+
E
)
×
(
1
+
D
)
[%]
a
b
x
2
±
(
)
×
(
)
E
+
E
1
+
Q
[%]
a
b
x
E
+
E
2
a
b
(
)
1
+
D
tan
------------------
x
100
±
----------------------------------------------------- -
E
+
E
+ −
a
b
1 D
tan
------------------
x
100
E
+
E
a
b
±
------------------
100
E
+
E
2
a
b
(
)
1
+
Q
tan
------------------
x
100
±
----------------------------------------------------- -
E
+
E
a
b
+ −
1 Q
tan
------------------
x
100
E
+
E
2
a
b
±
Q
------------------
x
100
Chapter 11
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