Feature: SJ200 hand-held digital gauss meter / Tesla meter can be used to measure the DC magnetic field, permanent magnet magnet and other magnetic fields of magnetic induction; Portable Gauss meter can carry a wide range, easy to operate, clear digital LCD display. Portable Gauss meter for a 9V battery power.(battery is not included) Gauss meter measurement Hall sensors can be used with optional vertical and horizontal sensors; A wide range of Gaussian measurement range, clear liquid crystal display, sensor structure is not easy to damage Parameter: Range: 0 ~ 200mT ~ 2000mT (1mT = 10Gs) Sensitivity: 0.1mT Resolution: 1 Gauss accuracy of 1% Measured magnetic field: DC magnetic field (static magnetic field) Note: Function can be selected according to customer's actual needs T (Tesla) / mT (m Tesla) can be switched polar display + north pole (N pole), - South pole (S pole) Environment temperature: 5 ~ 40 Relative humidity: 20% to 80% (no condensation) Power supply: a 9V battery 9V external power supplyincluded Overall dimensions: 160mm 88mm 36mm Instrument weight: 300g Display mode: 3 1 / 2LCD