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
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