pH Zosankha Zosankha: Zida Zonyamula Q-pH31 Portable Colorimeter Q-CL501P Chlorine&pH Portable Colorimeter T-6800 Multi-parameters Portable Colorimeter T-CP40 Portable Colorimeter ya Madzi Akumwa T-SP80 Pooltest Portable Colorimeter Analyzer pa intaneti K600 Water Online Analyzer (K-Y01) Zida za Lab Z-T700 Intelligent Multi-parameters Analyzer Z-D700 Multi-parameter Analyzer