Profile: AEC Engineers is a manufacturer, supplier and exporter of level & flow measuring instruments. Our ultrasonic liquid level indicator is used for measuring hazardous chemicals, liquids, water and sewage. Water level controller has been developed specially for monitoring and controlling the water level in the over head & underground tanks. It is a micro processor based device. It stops the pump automatically as the water level in the overhead tanks reaches to its high level, and/or drops the level in the underground tank to its minimum.