BST series of handheld digital Gauss / Tesla meter can be used to measure the DC magnetic flux density , magnetic field and other types of AC magnetic field Portable Gauss Meter can carry a wide range , easy to operate, digital LCD display clearly Portable gauss meter is a 9V battery power supply , can be used continuously for 20 hours BST600 handheld digital Gauss meter , measure the surface magnetic field of permanent magnet material , DC motors, speakers, magnetic separator, permanent magnetic separator magnetic field of work