HG-HT301 infrared edge feeler is for fabric tracking of setting machine. It can make the cloth on the needle plate accurately by no contact. The sensor housing is aluminum alloy which can resist interference, resist acid and alkali corrosion, waterproof, high temperature resistance. It adopts high precision CCD camera probe and new type transmitting tubes. What’s more, it can accurately detect all kinds of fabric including sulphur black. It has high needle precision and 0.1mm edge sensing accuracy.