Acterna SPM-32A, Operating Manual

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SPM-32A ... SPM-36A 5.4 Error limits of the level display
5-7
5.4 Error limits of the level display
for Z
in
= Z
out
= Z
0
, after calibration, with display averaging
(AVRG), MAX.HOLD off, battery mode, includes rounding
errors and the signal balance ratio of d.u.t.
≥ 20 dB
Note: The error limits for voltage measurements in dB
can be converted linearly to %, 0.1 dB is approx.
1.2 % (of the measured value).
5.4.1 Intrinsic error and variation with
level
at 10 kHz and (23 ± 3)°C (table values in dB)
SPM-32A/33A/36A
:
Table 5-4 Intrinsic error and
variation with level (SPM-32A/-33A/-36A)
Balanced,
all bandwidths
±
0.4
±
0.9 —
Coaxial
B > 100 Hz
B = 100 Hz
±
0.3
±
0.1
±
0.3
±
0.4
±
0.6
B = 25 Hz
±
0.4
Level range/dBm
(75, 135, 150
Ω
)
+ 20 0 0 -70 -80 -90 - 100
Level range/dB, dBm
(600
Ω
)
+10 -80 -90 -100 - 110