... .4Process Patent Number: 2006 200110691.41.This type unit includes the light source, compared color pond fixer, monochromator and etc. Dimension is ... to mount ease. 2.1 Location A unit is light source halogen lamp, 12v,20w, life expectancy is greater than 2000 ... , this lamp can be replace ease cause it fixes on the pcb. Note: lamp power suppler needs high stability DC12V power ...