Electrical Specifications; Voltage Inputs; Current Inputs; Accuracy Specifications (Excluding Current Probes) - AEMC PowerPad 8435 User Manual

6.2 ELECTRICAL SPECIFICATIONS

Sampling Frequency (256 samples per cycle):
12.8kHz samples/sec per channel @ 50Hz
15.36kHz samples/sec per channel @ 60Hz
Waveforms: Displays voltages and currents
Screen Captures: 50 max
Transients: Detection and recording of transients (up to 210)
Inrush Current: Detection and recording of Inrush current (1 max)
Memory: 2GB SD Card memory for trend data; additional internal Flash memory for up to 50 screen snapshots, 210
captured transients, and 10,000 alarm events from up to 40 different parameters
Alarm Function: 10,000 alarms max

6.2.1 VOLTAGE INPUTS

Range for use: 0 to 1000Vrms AC+DC phase-to-neutral and neutral-to-earth
0 to 2000Vrms AC+DC phase-to-phase
(on condition of compliance with 1000Vrms with respect to earth in CAT III)
Input Impedance: 969kW (between phase and neutral and neutral and earth)
Admissible Overload: 1200Vrms constant

6.2.2 CURRENT INPUTS

Operating Range: 0 to 1V
Input Impedance: 1MW for current probe circuit
12.4kW for AmpFlex
Overload: 1.7V

6.2.3 ACCURACY SPECIFICATIONS (EXCLUDING CURRENT PROBES)

Measurement
Frequency
Simple
RMS
Voltage
(5)
Compound
Simple
Direct
Voltage
(DC)
(6)
Compound
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2000Vrms for one second
and MiniFlex
®
Measurement range without ratio
(with unity ratio)
Min
40Hz
1V
1V
1V
1V
® III Model 8435
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circuit
®
Max
70Hz
1200V
(1)
1 V
2400V (2)
1697V (3)
3394V
(4)
Resolution
(with unity ratio)
0.01Hz
0.1V
±(0.5% + 0.2V)
V < 1000V
V ≥ 1000V
0.1V
±(0.5% + 0.2V)
U < 1000V
1V
U ≥ 1000V
0.1V
V < 1000V
1V
V ≥ 1000V
0.1V
U < 1000V
1V
U ≥ 1000V
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Accuracy
±(0.01Hz)
±(0.5% + 1V)
±(0.5% + 1V)
±(1% + 0.5V)
±(1% + 1V)
±(1% + 0.5V)
±(1% + 1V)
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