Ana amfani da injin don gwajin kayan aiki na inji kamar karfe, kayan da ba na karfe ba, matsawa, lankwasawa da yankan, daidai da ƙa'idodin GB / T228-2010 da GB / T 7314-2005. Wannan inji ne sanye da kwamfuta, firintar, photoelectric encoder da kuma duniya gwaji software, zai iya daidai auna karfe kayan da tensile ƙarfi, yiwuwa ƙarfi, ƙayyade non-rabo tsawo ƙarfi, tsawo kudi, elastic modulus da sauran kayan aiki. Sakamakon gwajin za a iya bincika da buga (karfi-shift, karfi karkatarwa, damuwa-shift, damuwa-karkatarwa, karfi-lokaci, karkatarwa-lokaci) shida curves da kuma dangane gwajin bayanai, tare da software kansa bincike aiki, iya kansa gano gazawar. Yana da kyau gwaji kayan aiki na masana'antu ma'adinai kamfanoni, kimiyya bincike rukuni, jami'o'i da jami'o'i, injiniya ingancin kula da tashar da sauran sassan.