IManganese Isikhokelo soKhetho: Izixhobo eziphathekayo T-6800 Multi-parameters Portable Colorimeter T-CP40 Umbala ophathwayo wamanzi okusela Izixhobo zaseLab Z-T700 Intelligent Multi-parameters Analyzer Z-D700 Multi-parameters Analyzer TA-60 Intelligent Multi-function Water Analyzer TA-98 UV Visible Spectrophotometer