Qualified List of Online Automatic Ammonia Nitrogen Water Quality Monitors (2021 Edition)

Qualified List of Online Automatic Ammonia Nitrogen Water Quality Monitors That Passed Applicability Testing (As of December 31, 2021)

This list is based on the HJ/T 101-2003 standard and the HJC-ZY33-2013 testing work instruction, and summarizes the online automatic ammonia nitrogen water quality monitors that passed the applicability test as of December 31, 2021. The list covers major domestic and international brands, providing a reference for engineering and technical personnel and procurement personnel in model selection.

Detailed List of Qualified Instruments

Selection and Procurement Recommendations

• Confirm Testing Standards: Ensure the instrument complies with the HJ/T 101-2003 standard and the HJC-ZY33-2013 work instruction requirements.
• Verify Report Numbers: Request a valid applicability test report during procurement and verify the report number.
• Focus on Brands and Models: The list includes well-known domestic and international brands such as Hach, Shimadzu, FPI, Lihe Technology, etc., which can be selected according to project needs.
• Regularly Update the List: The qualified list of applicability testing is dynamically updated; it is recommended to follow the latest version.

This list provides an authoritative basis for model selection for engineering and technical personnel and procurement personnel, helping to ensure the accuracy and reliability of water quality monitoring data.