Pagkagulo Gabay sa Pagpili: Mga Instrumentong Portable Q-1000 Portable Turbidimeter Portable Turbidimeter TB-2000 Turbidimeter T-6800 Multi-parameter Portable Colorimeter T-SP80 Pooltest Portable Colorimeter T-CP40 Portable Colorimeter para sa Pag-inom ng Tubig Mga Instrumentong Lab Z-T700 Intelligent Multi-parameter Analyzer Z-D700 Multi-parameter Analyzer Z-T500 Intelligent Multi-parameter Analyzer Z-D500 Multi-parameter Analyzer Online Analyzer K600 Water Online Analyzer （K-Y05）
