越南采购需求：溶解氧仪、在线溶解氧仪、便携式溶解氧仪、光学溶解氧仪、溶解氧分析仪

I am looking to procure a range of instruments essential for measuring various parameters critical to our operations. Specifically, I need devices that can accurately monitor temperature, pH levels, total suspended solids (TSS), chemical oxygen demand (COD), ammonium (NH4+), and flow rates. Additionally, incorporating a reliable datalogger into this setup is vital for effective data collection and analysis. Please provide details on the specifications, availability, and pricing for these instruments. It's important that the equipment meets high standards of accuracy and reliability. If you have any recommendations for compatible devices or packages that include these parameters, I would appreciate your insights. Looking forward to your prompt response!