Insurance cover for temperature-sensitive workpieces. Temperature scanner HL Scan monitors workpiece temperature by a beam of LED light. An acoustic and visual signal warns the user when temperature exceeds or falls below the permissible limit. For the HL 1920 E, HL 2020 E as well as the Professional HG 2120 E and HG 2320 E tools.Note: Image is for illustrative purposes only and may differ from the actual product