Isivamvo esitsha se-Nox se-Nitrogen Oxide Sensor ye-KUMMINS,
OEM: 2872236 , 5WK9 6691,5WK96691
Ukuba i-DEF eninzi ifakwe kwi-exhaust, isitena se-SCR sinokugcwala nge-ammonia kwaye enye iya kuphuma kwindibano ye-SCR.Oku kubizwa ngokuba "yi-ammonia slip".Kwinzwa ye-NOx, i-ammonia kunye ne-NOx zikhangeleka ngokufanayo.Isiliphu se-ammonia siya kubangela ukuba inzwa ye-NOx esezantsi ibike inani elingalunganga le-NOx kwi-exhaust stream.