Lianhua Technology has been focused on innovative water quality testing since 1982. Our Handheld Chemical Oxygen Demand Analyzer combines innovative technology with the vision of the world we have been working for. It provides COD results through a rapid digestion spectrophotometric method and significantly reduces the time instruction spectrophotometric methods. This remarkably reduces the time taken to assess quality of water applicable to industries such as wastewater treatment, food processing, and environmental research and analysis. We have developed over 20 series and designed COD analyzers to assist the diverse needs of all of our clients.