pH Tataiso ea ho Khetha: Lisebelisoa tse nkehang Q-pH31 Portable Colorimeter Q-CL501P Chlorine&pH Colorimeter e nkehang habonolo T-6800 Multi-parameters Portable Colorimeter T-CP40 Portable colorimeter bakeng sa metsi a nooang T-SP80 Pooltest Portable Colorimeter Analyzer ea inthaneteng K600 Water Online Analyzer (K-Y01) Lisebelisoa tsa Lab Z-T700 Intelligent Multi-parameters Analyzer Z-D700 Multi-parameter Analyzer