Both quantum resonance magnetic analyzer and Chinese meridian analyzer aresub-health test machine.
quatnum resonance magnetic analyzer is suitable for usual use, it with a sensor bar and people
who want to test just handle it and test one minute, it is ok.
About the Chinese meridian analyzer is work basic on 24 acupuncture point on human body
and use the sensor bar touch it. It need to find the point very accurate, so only professional persion can handle it well.