... Field: 50-200HzTemperature of environment: 5°C-40°CRelative humidity: 20%-80%(no condensation)Power Supply: Battery 9V, ... on the panel (according to the arrow marking the sensor). 3. Press the key of the Power On ... from mT to Gs.7. Reset zeroKeep the sensor far away from magnetic field what it is not ... to strong sunlight or high temperature, as well as humidity, water, oil, rust air, vibration and others.7 ...