Operating Principle ALLTest measures the conductivity (or the resistance, because the conductivity is the same as the inverse value of the electric resistance) of the body. Measuring is best done at the meridians, which end at the acupuncture points. The conductivity at these points is significantly lower than it is only a few millimeters off the points. The reaction of the body to diverse stimuli is judged in accordance to the changes in its conductivity.
The device is small and easy to handle. Because of this, tests can be carried out virtually everywhere. Extent of delivery 1 AllTest complete with batteries 1 hand-held electrode (gold plated) with connection cord 1 test board 1 screwdriver 1 case with molded plastic foam lining