GLOBAL VISION INC, GVI is the world’s leading test meter provider.
GVI patented venturi design minimizes turbulence, reduces friction loss to less than 1 PSI, and ensures superior accuracy of 0.5%, delivering the best possible results from a flow test.
GVI patented venturi design minimizes turbulence, reduces friction loss to less than 1 PSI, and ensures superior accuracy of 0.5%, delivering the best possible results from a flow test.
