Water quality multi-parameter detector

product description:


ERT-4020 water quality multi-parameter detector is a water quality monitor suitable for laboratory operation, which can detect four parameters of COD, ammonia nitrogen, total phosphorus and total nitrogen in water. It can be widely used in scientific research institutes, water plants, sewage treatment, petrochemical industry, universities and third-party testing industries.


Executive standard:


HJ 924-2017 "Technical requirements and testing methods of COD photometric rapid tester"


HJ T399-2007 "Water Quality Determination of Chemical Oxygen Demａnd Rapid Digestion Spectrophotometry"


HJ535-2009 "Water Quality Determination of Ammonia Nitrogen-Nessler's Reagent Spectrophotometric Method"


GB 11893-89 "Water Quality Determination of Total Phosphorus Ammonium Molybdate Spectrophotometric Method"


Features


1. 5-inch resistive touch screen display, pure Chinese operation interface, humanized programming;


2. 1 to 7 point calibration mode, automatic calculation of slope, intercept and correlation coefficient, high measurement accuracy;


3. Large-capacity data storage, power-off protection design to ensure that the instrument is not damaged and data records will never be lost;


4. Strong anti-interference ability, suitable for industrial site;


5. Widely used in monitoring of surface water and pollution sources;


6. Unique semiconductor cold light source illuminator, the life of the light source can reach tens of thousands of hours;


7. Export data with U disk, easy to operate and easy to carry;


8. The amount of reagents is small, the operating cost is low, and the anti-interference ability is strong.