New Tenmars TM-191 Emf Electromagnetic Magnetic Field Meter Tester (Gauss Met mv
The magnetic field unit is Tesla (T), Gauss (G), mini-Gauss(mG) or micro-Tesla(uT). - Switch between the display of micro-Tesla and mini-Gauss is available. - Frequency response: 30Hz to 300Hz. - Data hold (HOLD)?.