Dc current, Ac current (true rms, ac coupling), Accuracy: ± (% of reading + % of range) – B&K Precision 5491B - Manual User Manual
Page 70
70
DC Current
: ± (% of reading + % of range), 23 °C ± 5 °C
Rate
Range
Resolution
Full Scale
Reading
Accuracy
(1 year)
Burden Voltage
(1)
& Shunt Resistor
Slow
5.0000 mA
50.000 mA
500.00 m A
5.0000 A
20.000 A
0.1 μA
1
μA
10
μA
100
μA
1 mA
5.1000
51.000
510.00
5.1000
21.000
(3)
0.05
%
+0.01
%
(2)
0.05
%
+0.008
%
(2)
0.05
%
+0.008
%
0.25
%
+0.01
%
0.25
%
+0.01
%
<0.6 V / 100
Ω
<0.06 V / 1
Ω
<0.6 V / 1
Ω
<0.1 V / 10
mΩ
<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,>10-20ADC is readable for 20 seconds maximum
Maximum Input and Overload Current Protection: 1A/ 250V fuse.
AC Current (True RMS, AC Coupling)
ACCURACY: ± (% of reading + % of range),
23 °C ± 5 °C
Rate
Range
Accuracy(1 year)
(1)
23 °C ± 5 °C
20-50 Hz
50-2 kHz
2-20 kHz
Slow
5.0000 mA
50.000 mA
500.00 m A
5.0000 A
20.000 A
1.5
%
+0.16
%
1.5
%
+0.16
%
1.5
%
+0.16
%
2.0
%
+0.16
%
2.0
%
+0.16
%
0.5
%
+0.08
%
0.5
%
+0.08
%
0.5
%
+0.08
%
0.5
%
+0.1
%
0.5
%
+0.1
%
2
%
+0.16
%
2
%
+0.12
%
2
%
+0.12
%
------
------
(1)
Specifications are for sine wave inputs >5% of range.
In 20 A range,>10-20Aac is readable for 20 seconds maximum
Measurement method: True RMS measurement
Maximum Crest factor: 3.0 at full scale
Maximum Input and Overload Current Protection: 1 A/ 250 V fuse.
Rate
Range
Resolution
Full Scale
Reading
Burden Voltage
(1)
/shunt Resistor
Slow
5.0000 mA
50.000 mA
500.00 m A
5.0000 A
20.000 A
0.1
μA
10
μA
100
μA
1 mA
10 mA
5.1000
51.000
510.00
5.1000
21.000
(2)
<0.6 V / 100
Ω
<0.06 V / 1
Ω
<0.6 V / 1
Ω
<0.1 V / 10
mΩ
<0.6 V / 10
mΩ
(1)
Typical voltage across the input terminals at full scale reading.
(2)
In 20A range,>10-20Aac is readable for 20 seconds maximum