Table B-1: Analog voltage measurement range and resolution
fN1
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
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.
VOLT 100 series
44