Hand scanner for improved spot detection, system with such a hand scanner and method of operation

摘要

The invention relates to a hand-held scanner 1, comprising an IR spectrometer 3, comprising a radiation source 4 and a radiation detector 5, a control unit 6, a wireless data communication interface 11, and an RGB sensor 2, wherein the hand-held scanner 1 detects dirt a laundry 10 is set up. The invention also relates to a system 14 with such a hand-held scanner 1 and a method for operating the system 14.