The HDT fully automatic machine not only has an automatic sample feeding system, but also a unique, step-free, automatic load application. The weight is automatically selected and applied according to the method and sample geometry. The device is used for standard-compliant measurement of the HDT (Heat Distortion Temperature) according to international standards in 24/7 continuous operation. It has 6 measuring stations that are operated in parallel with the same or different measuring jobs.Fully automated HDT tester with sample feeder