ʻO ka WD-2112A kahi ʻano spectrophotometer ultra-micro lōʻihi piha (190-850nm) ʻaʻole pono ke kamepiula no ka hana.Hiki iā ia ke ʻike wikiwiki a pololei i nā waikawa nucleic, nā protein, a me nā hoʻonā cell.Hoʻohui ʻia, hōʻike ia i ke ʻano cuvette no ke ana ʻana i ka neʻe ʻana o nā hopena moʻomeheu bacteria a me nā laʻana like.ʻO kona sensitivity ka mea hiki ke ʻike i nā ʻano haʻahaʻa e like me ka 0.5 ng/µL (dsDNA).