Accuracy Specifi Cations (Excluding Current Probes) - AEMC PowerPad 3945 User Manual

3.2.3 Accuracy Specifi cations
Function
Frequency
Single phase RMS voltages
(Vrms, Vdem)
Phase-to-phase RMS voltages
(Urms, Udem)
DC voltage component
Single phase peak voltages
(Vpp, Vpm)
Phase-to-phase peak voltages
(Upp, Upm)
Current probe (Arms, Adem)
AmpFlex™ (Arms, Adem)
DC current (MR193)
Peak Current (App, Apm)
Peak Current (AmpFlex™)
Crest Factor (Vcf, Ucf, Acf)
Real Power (W)
Clamp-on and AmpFlex™
Clamp-on
AmpFlex™
Reactive Power (VAR)
Clamp-on and AmpFlex™
Clamp-on
AmpFlex™
Apparent Power (VA)
Power Factor (PF, DPF)
Tangent (Tan) for VA ≥ 50VA
Active Energy (Wh)
Clamp-on and AmpFlex™
Clamp-on
AmpFlex™
Reactive Energy (VARh)
Clamp-on
Reactive Energy (VARh)
AmpFlex™
Apparent Energy (Vah)
14
(excluding current probes)
Range
40 to 69Hz
6V to 480V
10V to 830V
6V to 100V
6V to 680V
10V to 1360V
Inom/1000 to 1.2 Inom
10A to 6500A
1A to 1200A
0 to 1.7 x Inom
10 to 9190A
1.00 to 9.99
0W to 9999kW
Cos ϕ ≥ 0.8
Cos ϕ 0.2 to < 0.8
Cos ϕ 0.5 to < 0.8
0W to 9999kW
Sin ϕ ≥ 0.5
Cos ϕ 0.2 to < 0.8
Cos ϕ 0.5 to < 0.8
0VA to 9999kVA
-1.000 to 1.000
Cos ϕ ≥ 0.5
Cos ϕ 0.2 to < 0.5
-32.76 to 32.76
0Wh to 9999MWh
Cos ϕ ≥ 0.8
Cos ϕ 0.2 to < 0.8
Cos ϕ 0.5 to < 0.8
0VARh to 9999MVARh
Sin Φ ≥ 0.5
Cos Φ 0.2 to < 0.5
0VARh to 9999MVARh
Sin ϕ ≥ 0.5
Cos ϕ 0.2 to < 0.5
0VAh to 9999MVAh
Display
Resolution
0.01Hz
0.1V
0.1V
0.1V
0.1V
0.1 V if I < 1000 V
1 V if I ≥ 1000 V
0.1 A if I < 1000 A
1 A if I ≥ 1000 A
0.1 A if I < 1000 A
1 A if I ≥ 1000 A
0.1 A if I < 1000 A
1 A if I ≥ 1000 A
0.1 A if I < 1000 A
1 A if I ≥ 1000 A
0.1 A if I < 1000 A
1 A if I ≥ 1000 A
0.01
4 digits
(10000cts)
4 digits
(10000cts)
4 digits
0.001
0.001 Tan ϕ < 10
0.01 Tan ϕ < 10
4 digits
(10000cts)
4 digits
4 digits
4 digits
Power Quality Analyzer Model 3945
Accuracy
±0.01Hz
±0.5% ± 2cts
±0.5% ± 2cts
±1% ± 2cts
±1% ± 5cts
±1% ± 5cts
±0.5% ± 2cts
±0.5% ± 1A
±(1% + 1A)
±(1% + 1A)
±(1% + 1A)
±1% ± 2cts
±1% ± 1ct
±1.5% ± 10cts
±1.5% ± 10cts
±1% ± 1ct
±1.5% ± 10cts
±1.5% ± 10cts
±1% ± 1ct
±1.5% ± 1ct
±1.5% ± 1ct
±1° on ϕ
±1° on ϕ
±1% ± 1ct
±1.5% ± 1ct
±1.5% ± 1ct
±1.5% ± 1ct
±2.5% ± 1ct
±1.5% ± 1ct
±2.5% ± 1ct
±1% ± 1ct