Nitrogen Amonia Pandhuan Pilihan: Instrumen Portable Q-3N Ammonia Nitrogen & Nitrate Nitrogen & Nitrite Nitrogen Portable Colorimeter Colorimeter Portabel T-CP40 Kanggo Banyu Ngombe T-6800 Multi-paramèter Colorimeter Portabel Colorimeter Portabel Aku-Budidaya T-AM Penganalisa Online K600 Water Online Analyzer (K-Y02) Instrumen Lab Z-T700 Analyzer Multi-paramèter sing cerdas Z-D700 Analyzer Multi-paramèter Z-T500 Analyzer Multi-paramèter sing cerdas Z-D500 Analyzer Multi-paramèter Penganalisa banyu multi-fungsi sing cerdas TA-60 TA-98 Spectrophotometer Katon UV