pH Isikhokelo soKhetho: Izixhobo eziphathekayo Q-pH31 Umbala ophathwayo Q-CL501P Chlorine&pH Portable Colorimeter T-6800 Multi-parameters Portable Colorimeter T-CP40 Umbala ophathwayo wamanzi okusela T-SP80 Pooltest Portable Colorimeter I-Analyzer ye-Intanethi I-K600 Water Online Analyzer (K-Y01) Izixhobo zaseLab Z-T700 Intelligent Multi-parameters Analyzer Z-D700 Multi-parameters Analyzer