I-Amoniya ye-nitrogen Umhlahlandlela Wokukhetha: Izinsimbi Eziphathwayo I-Q-3N Ammonia Nitrogen&Nitrate Nitrogen&Nitrite Nitrogen Portable Colorimeter I-T-CP40 Umbala Ophathwayo Wamanzi Okuphuza T-6800 Multi-parameters Portable Colorimeter T-AM Aquaculture Portable Colorimeter I-Analyzer eku-inthanethi I-K600 Water Online Analyzer (K-Y02) Lab Amathuluzi I-Z-T700 Intelligent Multi-parameters Analyzer I-Z-D700 Multi-parameter Analyzer I-Z-T500 Intelligent Multi-parameters Analyzer I-Z-D500 Multi-parameter Analyzer I-TA-60 Intelligent Multi-function Water Analyzer I-TA-98 UV Visible Spectrophotometer