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6.2.2 Current Inputs
NOTE: The outputs from current sensors are voltages.
Operating range: 0.5 mV to 1.7 Vpeak
Peak factor: √2 except AmpFlex
Input impedance: 1 MΩ (except AmpFlex
Maximum overload: 1.7 V
6.2.3 Intrinsic Uncertainty (Excluding Current Sensors)
With:
R: displayed value.
■
I
: nominal current of the current sensor for an output of 1 V, see Table 14
■
nom
and Table 16.
P
and S
: active and apparent power for V = 230 V, I = I
■
nom
nom
Q
: reactive power for V = 230 V, I = I
■
nom
6.2.3.1 Specifications of the PEL
Quantities
Frequency (f)
Phase-neutral voltage
(V
, V
)
1
2
Phase-phase voltage
(U
)
12
Current
(I
, I
)
1
2
Active power
(P
, P
, P
)
1
2
T
kW
Power & Energy Logger Model PEL 52 - User Manual
/ MiniFlex
®
12.4 kΩ (AmpFlex
Measurement range
[45 Hz; 65 Hz]
[10 V; 600 V]
[20 V; 1200 V]
[0.2 % I
V = [100 V; 600 V]
I = [5 % I
PF = [0.5 inductive; 0.8 capacitive]
V = [100 V; 600 V]
I = [5 % I
current sensors (see Table 16)
®
/ MiniFlex
®
/ MiniFlex
current sensors)
®
®
and sin φ = 0.5.
nom
; 120 % I
]
nom
nom
PF = 1
; 120 % I
]
nom
nom
; 120 % I
]
nom
nom
current sensors)
®
and PF = 1.
nom
Intrinsic uncertainty
± 0.1 Hz
± 0.2 % R ± 0.2 V
± 0.2 % R ± 0.4 V
± 0.2 % R ± 0.02 % I
± 0.3 % R ± 0.003 % P
± 0.7 % R ± 0.007 % P
nom
nom
nom
47
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