Fluke 1735 - Frequency Measurement; Harmonics; Events; Unbalance

Power Logger
Specifications
31
Energy Measurement (kWh, KVAh, kVARh)
Intrinsic error:
±(0.7 % of m.v.+ F variation error* +15 digit)
Resolution: 1 W to 10 W
Operating error:
±(1.5 % of m.v. + F variation error* + 20 digit)
* Frequency variation
error
±2 % m.v. + 2* (% maximum frequency deviation)
PF (Power Factor)
Range: 0.000 to 1.000
Resolution: 0.001
Accuracy:
±1 % of full scale
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 50
th
harmonic (<50 % von Vm)
Accuracy:
Vm, Im, THDV, THDI: According IEC 1000-4-7, class B
Vm, Im, THDV, THDI: According IEC 1000-4-7, class B
Vm ≥3 % Vn: 5 % V
Vm < 3 % Vn: 0.15 % Vn
Im ≥10 % In: 5 % Im
Im < 10 % In: 0.5 % In
THDV: for THD <3 % - <0.15 % at Vn
for THD ≥3 % - <5 % at Vn
THDI: for THD <10 % - <0.5 % at In
for THD ≥10 % - <5 % at In
Events
Detection of voltage dips, voltage swells and voltage interruptions with a 10 ms resolution
and 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.
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