PWS 3.3

The PWS 3.3 is a combination of a three-phase Portable Working Standard of class 0.05% or 0.1% and an IEC 61000-4-30 Class A compatible Power Quality Analyzer with 3 voltage and 4 current channels.


·Two instruments in one compact case
·Data transfer and communication via USB or ETHERNET
·Data storage on removable Compact Flash memory card

Measurement Inputs

·3 voltage inputs U1, U2, U3
·3 direct current inputs I1, I2, I3
·1 clamp-on CT current input for IN/IE
·2 clamp-on CT current inputs for I1, I2, I3