Title: 370.011 OE501 Siemens Sitrans FUE080 Flowmåler.pdf
An inspection can include check of:Ambient conditionsSeal integrity of the process connections, cable entries, and cover screwsReliability of power supply, lightning protection, and groundsNOTICERepair and service must be carried out by Siemens authorized personnel only.NoteSiemens defines flow sensors as non-repairable products.8.2Battery replacementNOTICEIt is recommended to replace the battery pack every 6 years.Note Battery lifetimeThe battery lifetime depends on the use of the different functions, e.g. the use of MODBUS communication will decrease the lifetime significantly, see Technical data" (Page 31)For the use of add-on modules with MODBUS communication, the use of mains-powered transmitters is recommended. Typical liftetime of a dual battery pack with nominal working pulse output frequency of 20 Hz is approximately 4.2 years.SITRANS FUS080 transmitterOperating Instructions, 07/2012, A5E03059912-0249Service and maintenance 8.2 Battery replacement