Ac Current - Fluke 8808A User Manual

8808A
Users Manual
Range
200 μA
2 mA
20 mA
200 mA
2 A
10 A
Notes:
Uncertainty given as ± (% of reading + % of range)
[1]

AC Current

The following ac current specifications are for sinusoidal signals with amplitudes greater than 5 % of range. For inputs
from 1 % to 5 % of range, add an additional error of 0.1 % of range.
Input Protection ................................................ Tool accessible 11 A / 1000 V and 440 mA / 1000 V fuses
Measurement Method ....................................... AC-coupled True RMS
Shunt Resistance.............................................. 0.01 Ω for 2 A and 10 A ranges
AC Filter Bandwidth ......................................... 20 Hz – 100 kHz
Maximum Crest Factor ..................................... 3:1 at Full Scale
Additional Crest Factor Errors (<100 Hz) ...... Crest Factor 1-2, 0.05 % of full scale
Range
(5-1/2 Digits)
20 mA
200 mA
2 A
10 A
Range
20 mA 20 Hz - 45Hz
45 Hz - 2 kHz
200 mA 20 Hz - 45Hz
45 Hz - 2 kHz
2 A 20 Hz - 45Hz
45 Hz - 2 kHz
10 A 20 Hz - 45Hz
45 Hz - 2 kHz
Notes:
Uncertainty given as ± (% of reading + % of range)
[1]
1-12
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Uncertainty
90 days
23 °C ± 5 °C
0.02 + 0.005
0.015 + 0.005
0.03 + 0.02
0.02 + 0.005
0.05 + 0.02
0.18 + 0.01
Input Characteristics
Full-Scale
Slow
0.1 μA
19.9999 mA
1 μA
199.999 mA
10 μA
1.99999 A
100 μA
10.0000 A
Frequency 90 days
23 °C ± 5 °C
1 + 0.05
0.25 + 0.05
0.8 + 0.05
0.25 + 0.05
1 + 0.05
0.25 + 0.05
1 + 0.1
0.35 + 0.1
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Accuracy
[1]
1 year
23 °C ± 5 °C
0.03 + 0.005
0.02 + 0.005
0.04 + 0.02
0.03 + 0.008
0.08 + 0.02
0.2 + 0.01
1 Ω for 20 mA and 200 mA
Crest Factor 2-3, 0.2 % of full scale
Only applies to non-sinusoid signals
Resolution
Medium
1 μA
10 μA
100 μA
1 mA
Accuracy
[1]
Uncertainty
1 year
23 °C ± 5 °C
1.25 + 0.06
0.3 + 0.06
1 + 0. 06
0.3 + 0.06
1.25 + 0.06
0.3 + 0.06
1.25 + 0.12
0.5 + 0.12
Temperature Coefficient/°C
Outside 18 – 28 °C
0.003 + 0.001
0.002 + 0.001
0.005 + 0.001
0.005 + 0.001
0.008 + 0.001
0.008 + 0.001
Burden Voltage
Fast
1 μA <0.05 V
<0.5 V
10 μA
100 μA <0.1 V
<0.5 V
1 mA
Temperature
Coefficient/°C
Outside 18 – 28 °C
0.015 + 0.005
0.015 + 0.005
0.015 + 0.005
0.015 + 0.005
0.015 + 0.005
0.015 + 0.005
0.015 + 0.005
0.015 + 0.005
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