TN-2A Total Nitrogen Analyzer

Product Overview

The instrument has a wide range of features such as high measurement accuracy, wide range, and simple operation.

Application Area

Measurements of total nitrogen in surface water, groundwater, industrial wastewater and domestic sewage.


  • With high performance, long life (100000 hours), high brightness light source imported from the United States, equipped with high stability optical system, with good accuracy and repeatability.

  • The digester adopts a 3.5-inch color touch screen with a resolution of 320×240, which is displayed in Chinese and English.

  • Simple and time-saving operation. The digestion colorimetry does not need to be changed.

  • With multi-point error free calibration, the zero error measurement of the set point is realized, which completely eliminates the error caused by the nonlinearity of the common digester in the market.

  • The digester has the function of timing reminder, which can automatically shutdown after digestion, and the instrument has the function of secondary protection. When the temperature of digester exceeds 200 ℃, the instrument will cut off the power supply by itself to ensure the safety of digestion process.

  • It can store 10 working curves and 999 historical records, and data will not lose even when power is cut off.

  • With USB interface, data can be transferred to computer.

  • With printing function: you can print the measurement results immediately, or query and print records in the futu