First, from the perspective of Work Safety 
 Gas stations are dangerous place, it is belonging to the area innings focus on tank monitoring, it is one of the managed object. When filling stations unloading, no automatic tank gauge installation often requires the user manual dosage amount of the oil dipstick, always check the oil level, if with the slightest mistake, there will be oil spill occurring, both caused by environmental pollution and easy crisis occurs. The automatic tank gauge with high and low oil level warning, alarm function, so install the automatic tank gauge, it helps users et the oil level and oil level warning with high alarm, completely avoid the phenomenon of the oil spill, but also provides users with indoor and outdoor dual alarm, played the role of double insurance.