Censtar Automatic Tank Gauge System 1)(ATG) is used to gauge oil level, ... ATG and probe compose Gas Station Tank Gauge Management System. This system can gauge liquid level, display graphics data, monitor ... 12 tank monitoring capability• Display graphic data, keypad operation• 3 communication ports, RS-232, RS-422, RS-485• Warn alarm ... interval of checking:500ms Censtar Automatic Tank Gauge System