SSI^® type DFT-110 ultrasonic level sensors are cost competitive non-contact liquid level drum gauges. The DFT-110 was designed for usage on ANSI MH2-2004 vertical drums with ≤32″ depths. The gauge allows the user to easily select between the following vertical drum settings: 15, 30, or 55 gallon and 57, 114, or 208 liter. It is not intended for use with gasoline.