COD rapid tester

LB-4020 A type COD rapid tester

product introduce

LB-4020 A type COD rapid tester It is a water quality monitor suitable for laboratory operation, which can detect COD , ammonia nitrogen, total phosphorus and total nitrogen. It can be widely used in scientific research institutes, waterworks, sewage treatment, petrochemical industry, major universities and third-party testing industries.

Executive standards

HJ 924-2017 《 COD Technical requirements and test methods of rapid photometric tester   》  

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

HJ535-2009 Water quality Determination of ammonia nitrogen Nessler reagent spectrophotometry

GB 11893-89 Water quality Determination of total phosphorus Ammonium molybdate spectrophotometric method

Product features

one ． five Inch resistive touch screen display, pure Chinese operation interface, user-friendly programming;

two ． one to seven Point correction mode, automatically calculate slope, intercept and correlation coefficient, with high measurement accuracy;

three ． Large capacity data storage and power-off protection design ensure that the instrument is not damaged and data records are not lost;

four ． Strong anti-interference ability, suitable for industrial sites;

five ． Widely used for monitoring surface water and pollution sources;

six ． Semiconductor cold light source, light source life can reach tens of thousands of hours;

seven ． use U Disk export data, easy to operate and carry;

eight ． Low reagent consumption, low operation cost and anti-interference capability Strong.

technical parameter