ph Gabay sa Pagpili: Mga Instrumentong Portable Q-pH31 Portable Colorimeter Q-CL501P Chlorine at PH Portable Colorimeter T-6800 Multi-parameter Portable Colorimeter T-CP40 Portable Colorimeter para sa Pag-inom ng Tubig T-SP80 Pooltest Portable Colorimeter Online Analyzer K600 Water Online Analyzer （K-Y01） Mga Instrumentong Lab Z-T700 Intelligent Multi-parameter Analyzer Z-D700 Multi-parameter Analyzer
