3.5.2 Accuracy
Amplitude accuracy
The amplitude accuracy is specified for a load current of I
RMS
< 150 mA.
Amplitude accuracy for channels 1 ... 3
Frequency Accuracy
±(% of set value + % of range)
Temperature coefficient
±(% of set value + % of range)/°C
beyond 23 °C ± 5 °C
24 hours 1 year 2 years
50/60 Hz 0.015 + 0.005 0.04 + 0.01 0.06 + 0.01 0.001 + 0
10 Hz ... 100 Hz - 0.04 + 0.01 0.06 + 0.01
100 Hz ... 1 kHz - 0.13 + 0.02 0.15 + 0.02
1 kHz ... 3 kHz
1
- - 0.40 + 0.10
DC 0.015 + 0.015 0.04 + 0.015 0.06 + 0.015 0.001 + 0.0001
Amplitude accuracy for channels 4 ... 6
Frequency Accuracy
±(% of set value + % of range)
Temperature coefficient
±(% of set value + % of range)/°C
beyond 23 °C ± 5 °C
1 year 2 years
10 Hz ... 100 Hz 0.07 + 0.01 0.11 + 0.01 0.002 + 0
100 Hz ... 1 kHz 0.16 + 0.02 0.2 + 0.02
1 kHz ... 3 kHz
1
- 0.44 + 0.10
DC 0.07 + 0.015 0.11 + 0.015 0.002 + 0.0001
1. The extended frequency range is only available in selected modules of the Test Universe software (for example, Harmonics
and PQ Signal Generator). These modules correct the phase and gain errors of the voltage output. The extended frequency
range is used for the generation of harmonics and interharmonics.
Note: If the test object evaluates AC and DC components, the offset needs to be considered in the
RMS value. The offset is calculated from the DC specification with a set value of zero. This is
negligible for voltages higher than 1 V.
Technical data
OMICRON
25
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