Performance Tests 2
Keysight E4416A/E4417A Power Meters Service Guide 41
11 Calibrate the power meter:
Press
,
12 Set the range calibrator's RANGE switch to the positions shown in Table 2-3.
For each setting, verify that the power meter's reading is within the limits
shown.
It is not necessary to check instrument accuracy in dBm. The power meter uses
the same internal circuitry to measure power and mathematically converts watts
to dBm.
Table 2-3 Instrument Accuracy Results (For Indication Only)
Range Calibrator
Setting
Min
[a]
Max
[a]
Channel A Actual
Results
Channel B Actual
Results (E4417A Only)
3 μW3.100 μW 3.230 μW _________________ _________________
10 μW9.900 μW 10.10 μW _________________ _________________
30 μW 31.40 μW 31.80 μW _________________ _________________
100 μW 99.50 μW 100.5 μW _________________ _________________
300 μW314.40 μW 317.60 μW _________________ _________________
1 mW 0.995 mW 1.005 mW _________________ _________________
3 mW 3.141 mW 3.171 mW _________________ _________________
10 mW 9.984 mW 10.08 mW _________________ _________________
30 mW 31.63 mW 31.94 mW _________________ _________________
100 mW 100.9 mW 101.8 mW _________________ _________________
[a] These performance limits are determined by the zero set specification of the power sensor used in the measurement plus the measurement
noise.
The nominal outputs for the 3 μW, 30 μW, 300 μW, 3 mW, 10 mW, 30 mW and
100 mW settings are 3.16 μW, 31.6 μW, 100 μW, 316 μW, 3.156 mW, 10.034
mW, 31.785 mW, and 101.35 mW respectively.
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