B&K Precision 5491B - Manual - Manual (Page 69)

69
AC Voltage
Resolution, Full Scale reading and Accuracy
Range Resolution Full Scale Reading
500.00 mV
5.0000 V
50.000 V
500.00 V
750.0 V
10 μV
100 μV
1 mV
10 mV
100 mV
510.00
5.1000
51.000
510.00
757.5 (1)
(1) 1% over-range (757.50 V) is readable at 750 V range
ACCURACY: ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range
Accuracy(1 year) (1) 23 °C ± 5 °C
20-50 Hz 50-20 kHz 20-50 kHz 50-100 kHz
Slow
500.00 mV
5.0000 V
50.000 V
500.00 V
750.0 V
1.0%+0.08%
1.0%+0.08%
1.0%+0.08%
------
------
0.5%+0.06%
0.35%+0.02%
0.35%+0.02%
0.5%+0.03%
0.5%+0.03%
1.5%+0.1%
1%+0.04%
1%+0.04%
1%+0.04%
1%+0.04% (2)
3.0%+0.3%
3.0%+0.1%
3.0%+0.1%
3.0%+0.1%
3.0%+0.1% (2)
(1) Specifications are for sine wave inputs >5% of range.
(2) Limit at 40 kHz or ≤3×10 7 Volt-Hz for 750 V range
Measurement method: True RMS measurement
Maximum Crest factor: 3.0 at full scale
Maximum input voltage: 750 Vrms
≤3×10
7 Volt-Hz for all ranges
Input impedance: 1 MΩ ± 2% in parallel with capacitance <100 pF
Maximum DCV: 500 V for all AC ranges