Campbell CDM-A100 Series, Инструкция по эксплуатации

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Appendix D. Analog Voltage Measurement Range and Resolution
D-2
f
N1
1
(Hz)
Range
2
(mV)
Typical Effective Resolution
3
Differential
Measurements with
Input Reversal
Single-Ended
Measurements or
Differential
Measurements without
Input Reversal
RMS (µV) bits RMS (µV) bits
60
±5000 0.769 23.7 1.140 23.2
±1000 0.162 23.6 0.261 23.0
±200 0.056 22.9 0.113 21.8
50
±5000 0.732 23.8 1.112 23.2
±1000 0.161 23.7 0.254 23.0
±200 0.053 22.9 0.111 21.9
30
±5000 0.612 24.1 0.901 23.5
±1000 0.131 24.0 0.217 23.2
±200 0.042 23.3 0.099 22.0
25
±5000 0.580 24.1 0.858 23.6
±1000 0.123 24.0 0.204 23.3
±200 0.038 23.4 0.095 22.1
15
±5000 0.502 24.4 0.734 23.8
±1000 0.107 24.2 0.177 23.5
±200 0.031 23.7 0.088 22.2
10
±5000 0.499 24.4 0.683 23.9
±1000 0.108 24.2 0.161 23.7
±200 0.029 23.8 0.082 22.3
5
±5000 0.472 24.4 0.617 24.1
±1000 0.102 24.3 0.151 23.7
±200 0.024 24.1 0.082 22.3
2.5
±5000 0.447 24.5 0.564 24.2
±1000 0.095 24.4 0.144 23.8
±200 0.020 24.3 0.077 22.4
1
First notch frequency
2
Range
overhead of ≈
6% on all ranges guarantees that full-scale values will not
cause overrange.
3
Effective resolution (ER) in bits is computed from ratio of full-scale range to RMS
noise.