Multi-Tek International/TMS Engineering

CheckMeter 2.3 genX Three-phase Portable Working Standard for Testing of Electricity Meters 

Three-phase Comparator (Class 0.01) for verification of Reference Standard Meters and other precision Electrical Measuring Equipment and Systems. 

PRS 400.3 Three-phase Portable Reference Standard Class 0.02 

CALPORT 300 Electricity Meter and Instrument Transformer Test System. 

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. 

PRS 600.3 Three-phase Portable Reference Standard and Power Quality Analyzer 

New Advanced design Three-phase Portable Working Standard for Testing Electricity Meters and Instrument Transformers