Abstract: An arrangement for a patient lifting system, wherein the patient lifting system comprises a lifting device and a sling adapted to be coupled to the lifting device. The lifting device is during use of the lifting system adapted to lift the patient from a lowered to a raised position and said sling is adapted to be at least partly wrapped around the patient to be lifted. The arrangement of the present invention comprises at least one RFID-chip (1) provided in the sling, at least one RFID-reader (2) adapted to communicate with the RFID-chip and at least one sensing means (3) provided in the sling and adapted to communicate with the RFID-chip. The RFID-chip is adapted to contain, to store and to continuously be updated with new or updated information that is relevant to the use of said sling in the patient lifting system and further adapted to provide said information to said RFID-reader.