Chemistries                  603-2779 2080

CODmax III Chemical Oxygen Demand Analyzer

Product #: 8974900
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CODmax III Online COD Detector

The new generation CODmax III COD online detector uses potassium dichromate method for high temperature digestion. The COD detector uses photometry to measure the sample absorbance, and analyzes and determines the linear relationship between absorbance and COD value of water samples. CODmax III meets the requirements of the new standards HJ 377-2019 and HJ 35X-2019, and its measurement data is in good agreement with the laboratory method HJ 828-2017.

Features:
- The CODmax III sewage COD detector has added an anti-pollution measurement process mode, which significantly extends the maintenance cycle of sampling/metering, digestion unit, etc.
- The CODmax III COD online detector uses advanced piston pump sampling technology, and the service life of the piston pump exceeds one year.
- The CODmax III COD online detector adopts a multi-stage optical metering system to effectively shorten the measurement time and improve the ultra-low range measurement accuracy.
- The CODmax III COD detector uses a new reagent formula, and the process for purchasing original reagents is simple; the process for self-prepared reagents is simple and convenient, and the preparation time is significantly reduced.
- The CODmax III COD detector is equipped with Hach's advanced Prognosys pre-diagnosis technology and Diagnose diagnostic technology.
- Prognosys pre-diagnosis function: The CODmax III COD online detector can indicate on the screen the problems that are about to occur in the instrument, and can output through the digital interface so that users can take maintenance measures in advance. The indication information fed back by CODmax III can provide planned preventive maintenance and the information needed to avoid unexpected responses to emergencies. It can be displayed on the screen in the form of a progress bar percentage for easy user identification.
- Diagnose self-diagnosis function: The CODmax III COD online detector can automatically complete the diagnosis of the instrument status, display the diagnostic results on the screen, query the diagnostic information, and output through the digital interface.

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