HONA LITLOA TSE NNGWE BT-620 Bukana ea Tataiso ea Likarolo
Ithute mokhoa oa ho theha le ho sebelisa BT-620 Particle Counter ho tsoa ho Met One Instruments. Bukana ena ea mosebedisi e fana ka litaelo tse qaqileng le litlhaloso bakeng sa BT-620 Particle Counter.