Fluke FLK-8846A/SU [8/12] Ac current
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Fluke FLK-8846A/SU [8/12] Ac current

Fluke FLK-8846A/SU [8/12] Ac current
8845A and 8846A Fluke Corporation 7
Accuracy (8845A)
Accuracy is given as ± (% measurement + % of range)
Range
24 Hour
(23 ±1 °C)
90 Days
(23 ±5 °C)
1 Year
(23 ±5 °C)
Temperature
Coefficient/ °C
Outside 18 to 28 °C
100 µA 0.01 + 0.02 0.04 + 0.025 0.05 + 0.025 0.002 + 0.003
1 mA 0.007 + 0.005 0.030 + 0.005 0.05 + 0.005 0.002 + 0.0005
10 mA 0.007 + 0.02 0.03 + 0.02 0.05 + 0.02 0.002 + 0.002
100 mA 0.01 + 0.004 0.03 + 0.005 0.05 + 0.005 0.002 + 0.0005
400 mA
[3]
0.03 + 0.004 0.04 + 0.005 0.05 + 0.005 0.005 + 0.0005
1 A
[2]
0.03 + 0.02 0.04 + 0.02 0.05 + 0.02 0.005 + 0.001
3 A
[1][2]
0.05 + 0.02 0.08 + 0.02 0.10 + 0.02 0.005 + 0.002
10 A
[2]
0.10 + 0.008 0.12 + 0.008 0.15 + 0.008 0.005 + 0.0008
[1] Part of 10 A range
[2] Available at front panel connectors only
[3] 400 mA available in software version 2.0 or greater only. 400 mA continuously; 550 mA for 2 minutes on,
1 minute off.
Additional Current Errors
Digits NPLC Additional NPLC Noise Error for 1
mA, 100 mA, 400 mA, 3A and 10A
Additional NPLC Noise Error
for 100 μA, 10 mA, 1A
6½ 100 0 % of range 0 % of range
6½ 10 0 % of range 0 % of range
5½ 1 0.001 % of range 0.01 % of range
5½ 0.2 0.011 % of range ±4 μA 0.11 % of range ±4 μA
4½ 0.02 0.04 % of range ±4 μA 0.28 % of range ±4 μA
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, limits of 400 mA continuous 550
mA for 2 minutes on, 1 minute off.
Measurement Method..................................................ac-coupled true-rms, dc-coupled to the fuse and shunt (no blocking capacitor)
AC Filter Bandwidth
Slow.............................................................................3 Hz to 10 kHz
Medium.......................................................................20 Hz to 10 kHz
Fast..............................................................................200 Hz to 10 kHz
Crest Factor Error (applies to non-sinusoidal waveforms only)
Maximum Crest Factor ...........................................5:1 at full scale
Additional Crest Factor Errors (<100 Hz)..........Crest factor 1-2, 0.05 % of full scale
Crest factor 2-3, 0.2 % of full scale
Crest factor 3-4, 0.4 % of full scale
Crest factor 4-5, 0.5 % of full scale
Input Characteristics
Resolution
Range Resolution
4½ Digits 5½ Digits 6½ Digits
Shunt Resistance
(Ohms)
Burden Voltage
100 μA
[1]
100.0000 μA 10 nA 1 nA 100 pA 100 Ω
<0.015 V
1 mA
[1]
1.000000 mA 100 nA 10 nA 1 nA 100 Ω <0.15 V
10 mA
10.00000 mA 1 μA 100 nA 10 nA 1 Ω
<0.025 V
100 mA
100.0000 mA 10 µA 1 μA 100 nA 1 Ω <0.25 V
400 mA
[4]
400.000 mA 100 µA 10 µA 1 μA 1 Ω <0.50 V
1 A
[3]
1.000000 A 100 µA 10 µA 1 μA 0.01 Ω <0.05 V
3 A
[2][3]
3.00000 A 1 mA 100 µA 10 μA 0.01 Ω <0.05 V
10 A
[3]
10.00000 A 1 mA 100 µA 10 µA 0.01 Ω <0.5 V
[1] 8846A Only
[2] Part of 10 A range
[3] Available at front panel connectors only
[4] 400 mA available in software version 1.0.700.18 or greater only. 400 mA continuously; 550 mA for 2 minutes on, 1
minute off; maximum crest factor 3:1 at 400mA

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