Datasheet

2831E5491B
3 www.bk precision.com
True RMS Bench Multimeters
M
odels 2831E and 5491B
R
esolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range Resolution
Full Scale
Reading
Accu ra cy
(1 year)
Typical I nput
Impedance
Slow
2
00.00 mV
1
0 µV
2
10.00
0
.03%+0.08% (1)
>
10 MΩ
2
.0000 V 100 µV 2.1000 0.03%+0.05% (1) >11.1 MΩ
2
0.000 V
1
mV
2
1.000
0
.03%+0.06%
>
10.1 MΩ
200.00 V 10 mV 210.00 0.03%+0.06% 10 MΩ
1000.0 V 100 mV 1010.0 (2) 0.03%+0.06% 10 MΩ
Slow
5
00.00 mV
1
0 µV
5
10.00
0
.02%+0.016% (1)
>
10 MΩ
5.0000 V 100 µV 5.1000 0.02%+0.008% (1) >11.1 MΩ
50.000 V 1 mV 51.000 0.02%+0.008% >10.1 MΩ
500.00 V 10 mV 510.00 0.02%+0.008% 10 MΩ
1
000.0 V
1
00 mV
1
010.0 (2)
0
.02%+0.008%
1
0 MΩ
(1) under REL status
(2) 1% over-range (1010 V) is readable at 1000 V range
DC Voltage
R
esolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range Resolution
Full Scale
Reading
Accura cy( 1 year)(1) 23 ° C ± 5 °C
20~50 Hz 50~20 kHz 20~50 kHz 50~100 kHz
Slow
200.00 mV 10 µV 210.00 1.0%+0.2%) 0.5%+0.15% 1.8% + 0.25% 3.0% + 0.75%
2.0000 V 100 µV 2.1000 1.0%+0.2%) 0.4%+0.05%
1.5% + 0.1% 3.0% + 0.25%
20.000 V 1 mV 21.000 1.0%+0.2% 0.4%+0.05% 1.5% + 0.1% 3.0% + 0.25%
200.00 V 10 mV 210.00 ---- 0.8%+0.075%
1.5% + 0.1% 3.0% + 0.25%
750.0 V 100 mV 757.5(3) ---- 0.8%+0.075% 1.5% + 0.1% (2) 3.0% + 0.25% (2)
Slow
500.00 mV 10 µV 510.00 1.0%+0.08%) 0.5%+0.06% 1.5% + 0.1% 3.0% + 0.3%
5.0000 V 100 µV 5.1000 1.0%+0.08%) 0.35%+0.02% 1% + 0.04% 3.0% + 0.1%
50.000 V 1 mV 51.000 1.0%+0.08% 0.35%+0.02% 1% + 0.04% 3.0% + 0.1%
500.00 V 10 mV 510.00 ---- 0.5%+0.03% 1% + 0.04% 3.0% + 0.1%
750.0 V 100 mV 757.5(3) ---- 0.5%+0.03% 1% + 0.04% (2) 3.0% + 0.1% (2)
Max. crest factor: 3.0 at full scale
(1) Specifications are for sine wave inputs >5% of range.
(2) Limit at 40 kHz or ≤ 3×107 Volt-Hz for 750 V range
(3) 1% over-range (757.50V) is readable at 750V range
AC Voltage
Specifications
2831E5491B2831E5491B
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range Resolu tion
Full Scale
Reading
Accura cy
(1 year)
Burden Voltage(1)
& Shunt Resistor
Slow
2.0000 mA 0.1 µA 2.1000 0.08%+0.025% (2)
<0.3 V / 100 Ω
20.000 mA 1 µA 21.000 0.08%+0.02% (2)
<0.04 V / 1 Ω
200.00 mA 10 µA 210.00 0.08%+0.02%
<0.3 V / 1 Ω
2.0000 A 100 µA 2.1000 0.3%+0.025%
<0.05 V / 10 mΩ
20.000 A 1 mA 21.000 (3) 0.3%+0.025%
<0.6 V / 10 mΩ
Slow
5.0000 mA 0.1 µA 5.1000 0.05%+0.01% (2)
<0.6 V / 100 Ω
50.000 mA 1 µA 51.000 0.05%+0.008% (2)
<0.06 V / 1 Ω
500.00 mA 10 µA 510.00 0.05%+0.008%
<0.6 V / 1 Ω
5.0000 A 100 µA 5.1000 0.25%+0.01%
<0.1 V / 10 mΩ
20.000 A 1 mA 21.000 (3) 0.25%+0.01%
<0.6 V / 10 mΩ
(1) Typical voltage across the input terminals at full scale reading.
(2) Use REL function
(3) In 20 A range, >10~20 ADC is readable for 20 seconds maximum
DC Current