Q-CL501 Mai ɗaukar launi mai ɗaukar hoto don Chlorine Kyauta, Chlorine Dioxide (5-para)
Q-CL501B Chlorine Kyauta & Jimlar Chlorine&Hadarin Mai Rayuwar Launi na Chlorine
Q-CL501P Chlorine&pH Launi Mai ɗaukar nauyi
T-6800 Multi-parameters Portable Colorimeter