GMX Test Data

The following tests and measurements was taken on a GMX 800 installed on a 1 inch copper pipe. Measurements were made looking for the peak flux density, the flux density in the center of the pipe, and the minimum flux density. Also a six inch steel scale was used to show the alignment of the flux field.

Test data shows that the maximum flux density is 1,624 Gauss at the edge of the pipe closes to the pair of magnets. The flux density in the center of the pipe is down to 1,066 Gauss. The top edge of the pipe has a flux density of less than 480 Gauss.

So as you see, 3900 Gauss rated magnetic material produces a flux filed density inside the pipe that is considerably less than half the material rating.

The peak flux density is located at the edge of the pipe (closes to the magnet pair). The peak flux reading was 1624 Gauss
The flux density at the center of the pipe was measured at 1066 Gauss
The minimum flux density is located at the edge of the pipe located opposite the magnet location. The water flowing on this side of the pipe will see a magnetic flux field of only 476 Gauss.
This photo shows a six inch scale placed inside the pipe to indicate the flux field alignment. This steel scale will align itself with the flux field with the flat side pointing in the direction of the magnetic field. It is stuck to the bottom of the pipe between the two magnets. This shows how the flux field cuts across the bottom edge of the pipe. The scale cannot be positioned to point across the center of the pipe.

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