Fluke FLK-381 [2/3] Electrical specifications
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Fluke FLK-381 [2/3] Electrical specifications

Fluke FLK-381 [2/3] Electrical specifications
2 Fluke Corporation Fluke 355/353 True-rms 2000 A Clamp Meters
Specifications
Electrical specifications
Current measurement dc and ac 10 Hz to 100 Hz
Range Resolution Accuracy, A Trigger Level for
Inrush
Trigger Level
for Hz
Filter OFF
Trigger Level
for Hz
Filter ON
40 A 10 mA 1.5 % rdg + 15 digits 0.50 A 2.50 A 0.50 A
400 A 100 mA 1.5 % rdg + 5 digits 5.0 A 2.5 A 2.5 A
2000 A;
1400 ac rms
1 A 1.5 % rdg + 5 digits 5 A 8 A 8 A
Crest Factor (50/60 Hz)
Range Crest Factor*
40 A 2 @ 33 A, 2.4 @ 27 A
400 A 2 @ 330 A, 2.4 @ 270 A
2000 A; 1400 ac rms 2 @ 1000 A, 2.4 @ 833 A
*Add 2 % to error spec for CF > 2
Current measurement ac 100.1 Hz to 1 kHz
Range Resolution Accuracy > 10 A Trigger Level for
Inrush
Trigger Level
for Hz
Filter OFF
Trigger Level
for Hz
Filter ON
40 A 10 mA 3.5 % rdg + 15 digits 0.50 A 2.50 A 0.50 A
400 A 100 mA 3.5 % rdg + 5 digits 5.0 A 2.5 A 2.5 A
2000 A;
1400 ac rms
1 A 3.5 % rdg + 5 digits 5 A 8 A 8 A
Voltage measurement (355 only) dc and ac 10 Hz to 100 Hz
600 V and 1000 V ranges have 10 % over range to 660 V and 1100 V respectively.
Range Resolution Accuracy Trigger Level for Hz
Filter OFF
Trigger Level for Hz
Filter ON
4 V 1 mV 1 % rdg + 10 digits 0.050 V 0.050 V
40 V 10 mV 1 % rdg + 5 digits 0.25 V 0.25 V
400 V 100 mV 1 % rdg + 5 digits 6 V 6 V
600 V ac rms 1 V 1 % rdg + 5 digits 6 V 6 V
1000 V dc 1 V 1 % rdg + 5 digits N/A N/A
Voltage measurement (355 only) ac 100.1 Hz to 1 kHz
600 V and 1000 V ranges have 10 % over range to 660 V and 1100 V respectively.
Range Resolution Accuracy Trigger Level for Hz
Filter OFF
Trigger Level for Hz
Filter ON
4 V 1 mV 3 % rdg + 10 digits 0.050 V 0.050 V
40 V 10 mV 3 % rdg + 5 digits 0.25 V 0.25 V
400 V 100 mV 3 % rdg + 5 digits 6 V 6 V
600 V ac rms 1 V 3 % rdg + 5 digits 6 V 6 V
Ohms measurement (355 only)
Range Resolution Accuracy
400 W 0.1 W
1.5 % + 5 digits
4 kW 1 W
1.5 % + 5 digits
40 kW 10 W
1.5 % + 5 digits
400 kW 100 W
1.5 % + 5 digits

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