GAUSS METER A useful and reasonably priced meter for measuring both AC and DC magnetic fields. Easy to use with external single axis axial probe. Excellent range with great features including: Features: * Measurement: mG (milli Gauss), uT (micro Tesla) * Range: - 3,000 mG to 3,000 mG, DC/AC     - 300.0 uT to 300.0 uT, DC/AC * Resolution: 1 mG/0.1 uT. * Sensor: High sensitivity gauss sensor. * Data hold. Record (Max, Min), RS232/USB. * 1.5 V battery (UM-4/AAA) x 6 PCs or DC 9V adapter.