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AG-TN08 Total Nitrogen Water Quality Online Automatic Monitoring Instrument
Online water quality analyzer-Total nitrogen
The AG-TN08 Total Nitrogen Online Automatic Monitoring Instrument complies with national standard HJ/T 102-2003 and operation manual HJC-ZY98-2022. It uses potassium persulfate oxidation UV spectrophotometry to measure total nitrogen in water samples. Featuring a touchscreen, multi-range automatic switching, power-off protection, log recording, and remote monitoring, it is suitable for continuous automatic monitoring of wastewater from ..

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Product Introduction:

The monitor complies with the national standard "HJ/T 102-2003 Technical Requirements for Total Nitrogen Water Quality Automatic Analyzer" and the operating instructions of the Environmental Monitoring Instrument Quality Supervision and Inspection Center of the Ministry of Environmental Protection "HJC-ZY98-2022 Water Quality Total Nitrogen Online Monitor Testing Operating Instructions". It can be set on site and work automatically and continuously for a long time without supervision. It is suitable for water quality monitoring of wastewater discharged from pollution sources, wastewater from municipal sewage treatment plants, surface water, etc.

Product Principle:

In the presence of potassium persulfate, all nitrogen-containing compounds in the water sample are converted into nitrate nitrogen after high digestion. The absorbance is measured at a wavelength of 220nm and converted to total nitrogen value.

Parameter:
Test methodPotassium persulfate oxidation UV spectrophotometry
Measuring range0~300mg/L Range can be customized
lower limit of quantification≤0.2mg/L
Resolution0.001
Indication error80% range liquid: ±3%; 50% range liquid: ±5%; 20% range liquid: ±8%
Repeatability≤2%
24h low concentration drift≤0.05mg/L
24h high concentration drift≤1%
Output interfaceRS232、RS485、4-20mA


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NINA
Nina@welle-group.com