Fluke 345 - Harmonics; Voltage Measurement

Power Quality Clamp Meter
Specifications
5
Harmonics
THD (Total Harmonic Distortion)
1 % ≤ THD 1 % to 100 %:............................... ± 3 % rdg ± 5 digits
100 % to 600 %: ............................................. ± 5 % rdg ± 5 digits
Resolution....................................................... 0.1 %
DF (Distortion Factor)
1 % ≤ DF < 100 % ......................................... ± 3 % rdg ± 5 digits
Resolution....................................................... 0.1 %
H02 ≤ I
harm
< H13............................................. ± 5 % rdg ± 2 digits
H13 ≤ I
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
I
acrms
> 10 A
Voltage Measurement (DC, DCRMS, ACRMS)
Measuring range................................................. 0 – 825 V dc or ac rms
Autorange facility ................................................ 4V / 40V / 400V / 750V
Resolution........................................................... 1 mV in 4 V range
10 mV in 40 V range
100 mV in 400 V range
1 V in 750 V range
Accuracy
RMS and DC
V > 1 V............................................................ ± 1 % rdg ± 5 digits
V < 1 V............................................................ ± 0.02 V
AV
V > 1 V............................................................ ± 3 % rdg ± 5 digits
V < 1 V............................................................ ± 0.03 V
Pk
V > 1 V............................................................ ± 5 % rdg ± 5 digits
V < 1 V............................................................ ± 0.03 V
CF (Crest Factor)
1.1 ≤ CF < 3.................................................... ± 3 % rdg ± 5 digits
3 ≤ CF < 5....................................................... ± 5 % rdg ± 5 digits
Resolution....................................................... 0.01
RPL (Ripple)
2 % ≤ RPL< 100 % ......................................... ± 3 % rdg ± 5 digits
100 % ≤ RPL< 600 % ..................................... ± 5 % rdg ± 5 digits
Resolution....................................................... 0.1 %
V
DC
> 0.5 V, V
AC
> 0.2 V
All measurements DC and 15 Hz to 1 kHz.
Maximum overload 825 V rms
Volts rms is a true rms measurement (ac + dc)