Omicron CMC 430 User Manual

3.10.2.1 Magnitude accuracy
Range Frequency Accuracy
±(% of reading + % of range)
Temperature coefficient
±(% of reading + % of range)/°C
beyond 23 °C ± 5 °C
24 hours 1 year 2 years
10 mV
DC
1
0.02 + 0.72 0.10 + 0.85 0.15 + 0.85 0.0015 + 0.0500
10 Hz ... 1 kHz 0.03 + 0.02 0.26 + 0.08 0.30 + 0.08 0.0015 + 0
100 mV
DC
1
0.02 + 0.10 0.07 + 0.12 0.11 + 0.13 0.0015 + 0.0050
10 Hz ... 1 kHz 0.03 + 0.02 0.15 + 0.04 0.18 + 0.05 0.0015 + 0
1 V,
10 V,
100 V
DC
1
0.02 + 0.06 0.07 + 0.07 0.10 + 0.08 0.0015 + 0.0020
10 Hz ... 1 kHz 0.03 + 0.02 0.08 + 0.03 0.11 + 0.04 0.0015 + 0
1 kHz ... 4 kHz 0.06 + 0.02 0.11 + 0.04 0.14 + 0.05 0.0015 + 0
4 kHz ... 10 kHz
2
0.12 + 0.04 0.19 + 0.06 0.23 + 0.06 0.0020 + 0
600 V
DC
1
0.02 + 0.05 0.07 + 0.06 0.10 + 0.07 0.0015 + 0.0015
10 Hz ... 1 kHz 0.04 + 0.02 0.10 + 0.04 0.13 + 0.05 0.0015 + 0
1 kHz ... 4 kHz 0.06 + 0.03 0.13 + 0.05 0.16 + 0.06 0.0015 + 0
4 kHz ... 10 kHz
2
0.13 + 0.04 0.24 + 0.07 0.28 + 0.07 0.0020 + 0
1. Specifications are not valid for 30 s after switching the measurement range.
2. For 40 kHz sampling frequency only.
3.10.2.2
Phase and frequency accuracy
The phase and frequency accuracy are specified for signal levels above 10 % of the measurement
range and sinusoidal signals. They are not guaranteed for the 10 mV range.
Frequency range Maximum error
Frequency measurement Phase measurement
15 Hz ... 70 Hz 0.01 % 0.02 °
3.10.2.3 Noise levels
Range Typical RMS noise level
10 kHz sampling frequency 40 kHz sampling frequency
10 mV 11 µV 19 µV
100 mV 11 µV 19 µV
1 V 26 µV 49 µV
10 V 100 µV 180 µV
100 V 1.1 mV 1.9 mV
600 V 9.5 mV 16 mV
CMC 430 User Manual
32
OMICRON

Omicron CMC 430 Specifications

General

Brand	Omicron
Model	CMC 430
Category	Test Equipment
Language	English