Signametrics
10
2.5 AC Current Measurement, True RMS
Input Characteristics
Crest Factor
4 at Full Scale
Number of built-in shunts
Two
Currents greater than 2.4A
require external shunt
Protected
with 2.5A Fast blow fuse
2.5.1 AC Current True RMS Measurement
Range
Full Scale 6 1/2 Digits
Lowest Specified
Current
Maximum Burden
Voltage (RMS)
Resolution
2.4 mA
2.400000 mA
60
A
25mV 1
nA
24 mA
24.00000 mA
300
A
250mV 10
nA
240 mA
240.0000 mA
3 mA
55mV
100 nA
2.4 A
2.400000 A
30 mA
520mV
1 uA
Accuracy ± (% of r Amps)
Range
Frequency [1]
24 hours
23
C
1
C
90 Days
23
C
10
C
One Year
23
C
10
C
10 Hz - 20 Hz
3.8 + 4
A
2.7 + 4
A
2.9 + 4
A
20 Hz - 47 Hz
0.9 + 4
A
0.9 + 4
A
1.0 + 4
A
47 Hz - 1 kHz
0.04 + 1.5
A
0.08 + 3
A
0.12 + 4
A
2.4 mA
1 kHz - 10 kHz
0.12 + 4
A
0.14 + 4
A
0.22 + 4
A
10 Hz - 20 Hz
1.8 + 30
A
2.6 + 30
A
2.8 + 30
A
20 Hz - 47 Hz
0.6 + 30
A
0.9 + 30
A
1.0 + 30
A
47 Hz - 1 kHz
0.07 + 10
A
0.15 + 20
A
0.16 + 30
A
24 mA
1 kHz - 10 kHz
0.21 + 30
A
0.3 + 40
A
0.4 + 40
A
10 Hz - 20 Hz
1.8 + 400
A
2.7 + 400
A
2.8 + 400
A
20 Hz - 47 Hz
0.6 + 400
A
0.9 + 400
A
1.0 + 400
A
47 Hz - 1 kHz
0.1 + 100
A
0.17 + 180
A
0.2 + 220
A
240 mA
1 kHz - 10 kHz
0.3 + 300
A
0.35 + 350
A
0.4 + 400
A
10 Hz - 20 Hz
1.8 + 4 mA
2.5 + 4.5 mA
2.7 + 5 mA
20 Hz - 47 Hz
0.66 + 4 mA
0.8 + 6 mA
0.9 + 6 mA
47 Hz - 1 kHz
0.3 + 3.8mA
0.33 + 3.8 mA
0.35 + 4 mA
2.4 A
1 kHz - 10 kHz
0.4 + 4mA
0.45 + 4.5 mA
0.5 + 5 mA
2.6 Diode Test Function
Test Currents
Five
Current sources voltage compliance
4 V
Accuracy ± (% of r Volts) [1]
Range Full
Scale
5-½ Digits
Resolution
One Year 23
C
10
C
0.1
A
0.022 + 15
V
1
A
0.018 + 12
V
10
A
0.015 + 10
V
100
A
0.014 + 8
V
1 mA
2.40000 V
10
V
0.014 + 8
V
[1] With measurement rate set to 2rps or lower rate