B&K Precision 5491B - Datasheet - Manual (Page 4)

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True RMS Bench Multimeters
Models 2831E and 5491B
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Rate R ange Resolu tion
Fu ll Scale
Re ading
Accu racy(1 ye ar)(1) 23 ° C ± 5 ° C
20~50 Hz 50~2 kH z 2~20 kHz
Slow
2.0000 mA 0.1 µA 2.1000 1.5%+0.5% 0.5%+0.3% 2%+0.5%
20.000 mA 10 µA 21.000 1.5%+0.5% 0.5%+0.3% 2%+0.38%
200.00 m A 100 µA 210.00 1.5%+0.5% 0.5%+0.3% 2%+0.38%
2.0000 A 1 mA 2.1000 2.0%+0.5% 0.5%+0.3% ----
20.000 A 10 mA 21.000 (2) 2.0%+0.5% 0.5%+0.3% ----
Slow
5.0000 mA 0.1 µA 5.1000 1.5%+0.16% 0.5%+0.08% 2%+0.16%
50.000 mA 10 µA 51.000 1.5%+0.16% 0.5%+0.08% 2%+0.12%
500.00 m A 100 µA 510.00 1.5%+0.16% 0.5%+0.08% 2%+0.12%
5.0000 A 1 mA 5.1000 2.0%+0.16% 0.5%+0.1% ----
20.000 A 10 mA 21.000 (2) 2.0%+0.16% 0.5%+0.1% ----
Max. crest factor: 3.0 at full scale
(1) Specifications are for sine wave inputs >5% of range.
(2) In 20 A range,>10~20 A AC is readable for 20 seconds maximum
AC Current (True RMS, AC Coupling)
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range (1) Resol ution
Ful l Scale
Reading Tes t cu rrent
A ccuracy
(1 year)
Sl ow
200.00 Ω 10 mΩ 210.00 0.5 mA 0.10%+0.05% (2)
2.0000 kΩ 100 mΩ 2.1000 0.45 mA 0.10%+0.025% (2)
20.000 kΩ 1 Ω 21.000 45 µA 0.10%+0.025% (2)
200.00 kΩ 10 Ω 210.00 4.5 µA 0.10%+0.025%
2.0000 MΩ 100 Ω 2.1000 450 nA 0.15%+0.025%
20.000 MΩ 1 kΩ 21.000 45 nA 0.3%+0.05%
Sl ow
500.00 Ω 10 mΩ 510.00 0.5 mA 0.10%+0.01% (2)
5.0000 kΩ 100 mΩ 5.1000 0.45 mA 0.10%+0.008% (2)
50.000 kΩ 1 Ω 51.000 45 µA 0.10%+0.008% (2)
500.00 kΩ 10 Ω 510.00 4.5 µA 0.10%+0.008%
5.0000 MΩ 100 Ω 5.1000 450 nA 0.15%+0.008%
50.000 MΩ 1 kΩ 51.000 45 nA 0.3%+0.01%
(1) In order to eliminate the noise interference, which might be induced to the test leads, it is recommended to use a shielded test cable
for measuring resistance above 100 kΩ.
(2) Using REL function
Resistance
Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C
Range Resolu tion
Fu ll Scale
Re ading T es t curre nt
Accu racy (1 year)
23 º C ± 5º C
200 Ω 100 mΩ 999.9 0.5 mA 0.1%+0.1%
500 Ω 100 mΩ 999.9 0.5 mA 0.1%+0.04%
Open circuit voltage: <5.5 VDC
Test current: around 0.5 mA DC
Continuity
Specifications (cont.)
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