Current Measurements - AEMC 6471 User Manual

External Voltage Measurements
Measuring Method: Digital by sampling at 4028Hz, low pass filter, FFT.
The frequency of the strongest spectral component is displayed.
Measuring Rate: Display updates approx. 3 times per s.
Signal Conversion: TRMS or sum of all harmonics 10 to 450Hz during selective
earth measurements with a clamp.
Measured Range
Resolution
Intrinsic error
Operating error
Input impedance Z
Operating frequency
3.2.3

Current Measurements

External Current Measurements
Measuring Method: Digital by sampling at 4028Hz, low pass filter, FFT.
Measuring Rate: Display updates approx. 3 times per s.
Signal Conversion: Sum of all harmonics 10 to 450Hz
With Current Probe SR182
Measurement Range
Resolution
Frequency range
Operating error from
0.5 to 100mA
Operating error from
0.1 to 40.0A
Ground Resistance Tester Model 6471
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, Z (Z )
H-E S-E S-ES
0.00 to
9.99mA
0.01mA
16 to 49Hz
± (10% + 2cts)
> 20%
ShopAEMC
www.
0.00 to 9.99V
0.01V
± (2% + 1ct)
± (5% + 1ct)
1.2MΩ
DC and 15 to 440Hz
10.0 to 100 to
99.9mA 999mA
0.1mA 1mA
50 to 99Hz
± (5% + 2cts)
± (10% + 2cts)
.com
10 to 65V
0.1V
1.00 to 10 to
9.99A 40A
0.01A 0.1A
100 to 400Hz
± (3% + 2cts)
± (5% + 2cts)
17
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