Unscented Kalman Filtering for in-situ Bulk Identification of District Heating Meter Temperature Offsets and Service Pipe Insulation Level DetectionPeter F. Østergaard, Thomas S. Daugbjerg and Gertjan KokEPJ Web Conf., 323 (2025) 07002DOI: https://doi.org/10.1051/epjconf/202532307002