Qhov qauv cell no muaj 25 × 95mm hauv qab, uas muab cov khoom ruaj khov rau ntawm kev kuaj thiab cov khoom kuaj. Tus qauv tsim tso cai rau kev sib luag hauv kev nthuav dav hauv spectrophotometers thiab lwm cov twj paj nruag, kom muaj kev ntsuas dua thiab muaj tseeb.