SPM-32A ... SPM-36A 5.4 Error limits of the level display
5-9
25 Hz to 3.1 kHz bandwidths
Table 5-7 Intrinsic error and
variation with level, 25 Hz bis 3,1 kHz (SPM-35A)
5.4.2 Variation of level display with
frequency
referred to 10 kHz, the input level at
≥
40 dB above the
intrinsic noise level
Table 5-8 Variation of level display with frequency
Balanced ± 0.4
± 0.9
Coaxial
± 0.3 ± 0.1 ± 0.3 ± 0.4
Level range/dBm
(75, 135, 150
Ω)
+ 20 0 0 -60 -70 -80
Level range/dB, dBm
(600
Ω)
+10 -70 -80 -90
Coaxial Z=75
Ω
±
0.6
± 0.3 ± 0.5 ± 0.6 ± 0.7 ± 0.9
Balanced
Z=75 to
150
Ω
±
0.3 ± 0.5 ± 0.6 ± 0.7 ± 0.9
Z=600
Ω ± 0.4 ± 0.6 ± 0.7 ± 0.8 ± 1.0
Frequency range/Hz 50 100 620 k 1.62 M 2 M 3 M 3.5 M