2 Performance Tests
36 Keysight E4416A/E4417A Power Meters Service Guide
Note down each x value in the Error Value (x) column of Table 2-2.
16 Calculate the linear standard deviation of the data using Equation 2-1:
Standard Deviation, where n = number of samples (50) and x = calculated error
values (listed in the Error Value (x) column of Table 2-2)
17 Calculate the result of the linear accuracy test using Equation 2-2: Accuracy.
Enter the result into Table 2-9, “Performance Test Record” on page 27,
ensuring that the value is within its published specification.
Table 2-2 Instrument Accuracy (Normal Path) Test: Results Table
Sample
Number
Power Meter
Value
DVM Value
Error Value
(x)
Sample
Number
Power Meter
Value
DVM Value
Error Value
(x)
1 _________ _________ _________ 26 _________ _________ _________
2 _________ _________ _________ 27 _________ _________ _________
3 _________ _________ _________ 28 _________ _________ _________
4 _________ _________ _________ 29 _________ _________ _________
5 _________ _________ _________ 30 _________ _________ _________
6 _________ _________ _________ 31 _________ _________ _________
7 _________ _________ _________ 32 _________ _________ _________
8 _________ _________ _________ 33 _________ _________ _________
9 _________ _________ _________ 34 _________ _________ _________
10 _________ _________ _________ 35 _________ _________ _________
11 _________ _________ _________ 36 _________ _________ _________
12 _________ _________ _________ 37 _________ _________ _________
13 _________ _________ _________ 38 _________ _________ _________
14 _________ _________ _________ 39 _________ _________ _________
15 _________ _________ _________ 40 _________ _________ _________
16 _________ _________ _________ 41 _________ _________ _________
17 _________ _________ _________ 42 _________ _________ _________
18 _________ _________ _________ 43 _________ _________ _________
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