B&K Precision 5491B - Manual - Manual (Page 68)

68
Resistance : ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range (1) Resolution
Full Scale
Reading
Test Current
Accuracy
(1 year)
Slow
200.00 Ω
2.0000 kΩ
20.000
kΩ
200.00 kΩ
2.0000
MΩ
20.000 MΩ
10 mΩ
100 mΩ
1 Ω
10 Ω
100 Ω
1
kΩ
210.00
2.1000
21.000
210.00
2.1000
21.000
0.5 mA
0.45 mA
45 μA
4.5 μA
450 nA
45 nA
0.10 % +0.05 %
(2)
0.10 % +0.025 %
(2)
0.10 % +0.025 %
(2)
0.10 % +0.025 %
0.15%+0.025 %
0.3 % +0.05 %
(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
Maximum Input Protection: 1000 VDC or 750 VAC for all ranges.
Open circuit voltage: Maximum voltage is 5.5 V dc
Continuity : ± (% of reading + % of range), 23 °C ± 5 °C
Range Resolution
Full Scale
Reading
Test Current
Accuracy (1 year)
23 °C ± 5 °C
200 Ω 100 mΩ
999.9 0.5 mA 0.1 % +0.1 %
Maximum Input Protection: 1000 VDC or 750 VAC for all ranges.
Open circuit voltage: < 5.5 V DC
Test Current: around 0.5 mA DC
Threshold value: 5% of range
MODEL 5491B SPECIFICATIONS
DC Voltage
Resolution, Full Scale reading and Accuracy: ± (% of reading + % of range), 23 °C ± 5 °C
Rate Range Resolution
Full Scale
Reading
Accuracy
(1 year)
Typical
Input
Impedance
Slow
500.00 mV
5.0000 V
50.000 V
500.00 V
1000.0 V
10 μV
100 μV
1 mV
10 mV
100 mV
510.00
5.1000
51.000
510.00
1010.0 (2)
0.02%+0.016% (1)
0.02%+0.008% (1)
0.02%+0.008%
0.02%+0.008%
0.02%+0.008%
>10 M Ω
>11.1 M Ω
>10.1 M Ω
10 M Ω
10 M Ω
(1) under REL status
(2) 1% over-range (1010 V) is readable at 1000 V range
Maximum input voltage: 1000 VDC or peak ac for all ranges.