Profile: Master Level Controls Co. specializes in offering pump controls for municipal and waste water systems. The digital Tankmaster™ is a pressure controller which senses level of a tank and controls one or more pumps. This consists of a operator interface panel, a programmable logic controller with digital & analog I/O, and a pressure transducer. The operator interface panel has 4 function keys, 4 program arrows keys, and a enter key. The operator selects pre-programmed screens and inputs level start & stop setpoints, time delays, alternation features, and alarm conditions. The interface panel has a graphic monochrome LCD display with a integral LED backlight. The display size is 3.2 inch, with a pixel size of 128 by 64. The status screen displays level in feet, plus a bar graph, and pump status. Other menu screens allow the operator to select level setpoints or time delays. Our transducers include level transducers, pressure transducer, ultrasonic level sensor and gage pressure transmitter.