Tesla Tesla Tesla handheld magnetic surface HT20

The BST series of digital Gauss/Tesla testers can be used to measure DC magnetic flux density, magnetic field strength, and other types of AC magnetic fields. The portable gauss meter has a wide range, is easy to use, and features a clear LCD digital display. The portable gauss meter is powered by a 9V battery and can be used continuously for 20 hours. It has a wide measuring range of 0.1 m to 2000 m and a resolution of 0.1 m/1 m. It comes with a 1-year warranty!