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Specifications
Electrical Measurements23
23-7
Power and Energy Measurement Range Resolution Accuracy
Watt (VA, VAR)
Fluke 435
Fluke 434
1.0 … 20.00MW
1
1.0 … 20.00MW
1
0.1 … 1 kW
1
0.1 … 1 kW
1
± 1% ± 10 counts
3
± 1.5% ± 10 counts
3
kWh
6
(kVA
6
, kVAR
6
) 00.00 kWhr…200.0
GWhr
1
00.00 kWhr…200.0
GWhr
1
0.01 Xhr….100 Whr
1
0.01 Whr….100 Whr
1
± 1% ± 10 counts
3
± 1.5% ± 10 counts
3
Power Factor 0…1 0.01 ± 0.03
3
Cos ϕ / DPF 0…1 0.01 ± 0.03
3
Flicker Measurement Range Resolution Accuracy
Pst (1min), Pst, Plt, PF5
instantenous Flicker
0.00 … 20.00 0.01 Within ±5% of tabulated
values according
IEC61000-4-15
Dc%, Dmax% and Time
d(t) exceeds limits. As
described per IEC
61000-3-3
0.0 … ± 100.0% for Dc%
and Dmax% and 0.000
... 9.999s for Time
0.1% for Dc% and
Dmax% and 10 ms for
Time
± 1% for Dc% and
Dmax% and 20 ms for
Time
Unbalance Relative % Measurement Range Resolution Accuracy
Volts Fluke 435 (neg.
and zero seq.)
Volts Fluke 434 neg. and
zero seq.)
0.0 … 5.0%
0.0 … 5.0%
0.1%
0.1%
± 0.15%
± 0.5%
Current (neg. and zero
seq.)
0.0 … 20% 0.1% ± 1%
Unbalance Absolute Measurement Range Resolution Accuracy
Fluke 435 Absolute:
Fluke 434 Absolute:
0.0 … 1000 Vrms
0.0 … 1000 Vrms
0.1 Vrms
0.1 Vrms
± 0.05% of nominal
voltage if < 1% of
nominal voltage
± 5% if ≥ 1% of nominal
voltage
± 5% ± 2 counts
Arms Absolute: 0.0 … 4000 mV x clamp
scaling
1 mVrms x clamp scaling ± 5% ± 5 counts