Yarn testers are essential equipments for a textile industry. Distinct models of testers perform a variety of activities that are required before the end product released. Moisture meters, yarn shrinkage machine, tensile testers, testers for testing yarn friction and yarn strength are few of the appliances. The yarn industries with the help of technology, analyze the quality of the fabric. The segregation of the fabric according to quality types helps in determining appropriate price. Since the technology in the modern world facilitates industries and production in every way, the manufacturing of such equipments are at top gear. Manufacturers focus on the quality of the appliances to give the best output.