Fluke 1735 - Frequency Measurement; Harmonics; Events; Unbalance

Power Logger
Technical Specifications
55
Frequency Measurement
Measuring range: 46 Hz – 54 Hz and 56 Hz – 64 Hz
Intrinsic error: ±(0.2 % of m. v. + 5 digit)
Operating error: ±(0.5 % of m. v.+ 10 digit)
Resolution: 0.01 Hz
Harmonics
Measuring range: 1 to 40
th
harmonic
Accuracy:
V
m
, I
m
, THDV, THDI: according IEC 1000-4-7, class B
V
m
, I
m
, THDV, THDI: according IEC 1000-4-7, class B
V
m
≥ 3 % V
n
5 % V
V
m
< 3 % V
n
0.15 % V
n
I
m
≥ 10 % I
n
5 % I
m
I
m
< 10 % I
n
0.5 % I
n
THDV for THD <3 %: < 0.15 % at V
n
for THD ≥3 %: < 5 % at V
n
THDI for THD <10 %: < 0.5 % at I
n
for THD ≥10 %: < 5 % at I
n
Events
Detection of voltage dips, voltage swells and voltage interruptions with a
10-ms resolution. Measuring error of the half-period sine wave of RMS:
Intrinsic error: ±(1 % of m. v. + 10 digit)
Operating error: ±(2 % of m. v.+ 10 digit)
Resolution: 0.1 V
Unbalance
RMS errors see V-RMS specification
Phase angle errors: