Power Quality Logger

Technical Specifications

Power (Logging Functions A, P only) P, S, P

Active power P

As per EN 61036, class 2

Distorting power D

As per EN 61268, class 2 (A-version only)

Max value

Highest value per interval

Min value

Smallest value per interval

Phase uncertainty

< 0.3 degrees

Conditions

Conductor centered within clamp jaws or

 

Flexi Set

HarmonicsVm, Im, THDV, THDI per IEC/EN 61000-4-7, class B

Voltage harmonics (function A) intrinsic uncertainty:

Current harmonics (function A) intrinsic uncertainty

THDV (function A) intrinsic uncertainty at VN

THDV (function P) intrinsic uncertainty at VN

THDI (functions A, P) intrinsic uncertainty at II

For Vm < 3% VN: < 0.15% VN

For Vm ≥ 3% VN: < 5% Vm

For Im < 10% IN: < 0.5% IN

For Im ≥ 10% IN: < 5% Im

For THDV < 3%: < 0.15%

For THDV ≥ 3%: < 5%

For THDV < 3%: < 1%

For THDV ≥3%: < 5%

For THDI < 3%: < 2%

For THDI ≥ 3%: < 5%

Statistics

Frequency

42 classes for 10 s mean values

 

Ripple-control signals

Interharmonics

21 classes for 3 s mean values

Analysis of logging dataProgramming and analysis is done by PQ Log software on PC.

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