The idea - U'DA.SYS
Universal measuring units are set up for one or more special measurment and/or alarm tasks. All of the information is combined in the control centre
Actual information: firmware version 7.4 is available

measuring unit for: water level temperature conductivity pH ORP (Redox) O2 radioactivity VOC (volatile organic compounds)

... and all is controlled via data radio and checkable
via mobil phone