SECU tank 1 is an electronic content remote indicator for a pressure tank with liquid operating medium. Display device with 2-line LCD display. Function: The tank capacity is determined by a measurement of the hydrostatic pressure of the full height. After entering the tank data in the display unit is automatically at the time of commissioning, the conversion of the measured values with on-screen display. Output of the measured data on the display of the digital display device in either liters, volume percentage % (V/V) or as a full-height in centimeters. Display of the maximum permissible output volume (free space). Meets the requirements of the DWA-A 791-1 with clear display of the fill level as a volume with high accuracy. Menu language, as well as display in English, German and French.This text is machine translated.