The Model 4041 is the largest of our switch mode current injection sources used for injection based testing.
This 3 phase unit works on the identical principle of operation
as our 2kVA system, however the 4041 in conjunction with
the 4042 coupling transformer have been specifically
designed to perform current injection tasks over very long
haul and demanding environments continuously at maximum
With our 4025E or 4031 frequency selective multimeters,
terrestrial voltage profiling is made easy with GPS positional
information available on both the 4041 and 4025E/4031 units.
Another advantage of this is the ability for the two units to
synchronize phase readings, thus reducing the cabling
required when performing current split or branch
measurements and it also provides relative positioning
information so that the operator may choose the best line
of potential measurement during EPR tests to avoid
mutual coupling or induction.