Fluke 345 - Page 14

345
Calibration Manual
6
Harmonics
THD (Total Harmonic Distortion)
1 % ≤ THD < 100 % ........................................ ± 3 % rdg ± 5 digits
100 % ≤ THD < 600 % .................................... ± 5 % rdg ± 5 digits
Resolution....................................................... 0.1 %
DF (Distortion Factor)
1 % ≤ DF < 100 %........................................... ± 3 % rdg ± 5 digits
Resolution....................................................... 0.1 %
H02 ≤ V
harm
< H13............................................ ± 5 % rdg ± 2 digits
H13 ≤ V
harm
≤ H30........................................... ± 10 % rdg ± 2 digits
All measurements up to 30
th
harmonic (40th harmonic for 15 Hz to 22 Hz)
Frequency range of fundamental F
0
15 Hz to 22 Hz and 45 Hz to 65 Hz
V
acrms
> 1V
Watts Measurement (Single and 3 Phase) (DC, DC RMS, AC RMS)
Measuring range............................................. 0 – 1650 kW dc or 1200 kW ac
Autoranging facility ......................................... 4 kW, 40 kW, 400 kW, 1650 kW
Resolution....................................................... 1 W in 4 kW
10 W in 40 kW
100 W in 400 kW
1 kW in 1650 kW
Accuracy ......................................................... 2.5 % rdg ± 5 digits
W1Ø < 2 kW ± 0.08 kW
W3Ø < 4 kW ± 0.25 kW
VA Measurement (Single and 3 Phase) (DC, DC RMS, AC RMS)
Measuring range................................................. 0 to 1650 kVA dc or 1200 kVA ac
Autorange facility ................................................ 4 kVA, 40 kVA, 400 kVA, 1650 kVA
Resolution........................................................... 1 VA in 4 kVA
10 VA in 40 kVA
100 VA in 400 kVA
1 kVA in 1650 kVA
Accuracy
VA > 2 kVA ..................................................... 2.5 % rdg ± 5 digits
VA < 2 kVA ..................................................... ± 0.08 kVA
VAR Measurement (Single and 3 Phase)
Measuring range................................................. 0 – 1200 kVAR
Autorange facility ................................................ 4 kVAR, 40 kVAR, 400 kVAR, 1200 kVAR
Resolution........................................................... 1 VAR in 4 kVAR range
10 VAR in 40 kVAR range
100 VAR in 400 kVAR range
1 kVAR in 1200 kVAR range
Accuracy
VAR > 4 kVAR ................................................ ± 2.5 % rdg ± 5 digits
VAR < 4 kVAR ................................................ ± 0.25 kVAR
Power Factor range ............................................ 0.3 < PF < 0.99
Power Factor (Single and 3 Phase)
Power Factor
Measuring range ............................................ 0.3 cap … 1.0 … 0.3 ind
(72.5° capacitive ... 0° ... 72.5° inductive)
Resolution....................................................... 0.001
Accuracy ......................................................... ± 3 °
Frequency range 15 Hz to 1 kHz
Displacement Power Factor
Measuring range ............................................ 0.3 cap … 1.0 … 0.3 ind
(72.5 ° capacitive ... 0° ... 72.5 ° inductive)
Resolution....................................................... 0.001
Accuracy ......................................................... ± 3 °