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Gauss mac - magnetic analysis corporation
Simple, Cost-Effective Magnetism Detector measures field strength up to 20 gauss.
Magnetic Analysis Corporation (MAC) now offers a pocket-sized, inexpensive magnetism detector that displays the degree and polarity of residual magnetism in iron and steel objects. The magnetism detector instantly measures field strength up to 20 gauss and determines field polarity, thus enabling users to quickly and easily avoid problems associated with unwanted magnetism.