tem:Electromagnetic radiation tester GM3120 Model:GM3120 Functions and technical parameters Unit field: V / m, magnetic field T Accuracy field: 1V / m, the magnetic field 0.01T Range field: 1-1999V / m, magnetic field 0.01-19.99T Alarm Threshold field: 40V / m, magnetic field 0.4T Test Bandwidth 3-1 / 2 LCD display Sampling time 5Hz-3500MHz Test mode for about 0.4 seconds Measured with dual-mode overload Tips Data lock LCD displays "1" Low-light display Automatic shutdown Average and peak Low battery indication Operating temperature 0oC-50oC Operating Humidity Relative humidity 80% Operating voltage 9V Size:63.6 * 31 * 125.8mm Weight 146g Power 6F229V (batteries not included) Pack:Not include retail packageChina