HQ-3300 is a chromium based COD online automatic monitoring instrument developed based on national standard analysis methods. It is suitable for COD measurement in various complex water bodies and has built-in quality control function, which is more conducive to remote analysis of instrument status; The instrument has a simple structure and easy operation and maintenance, making it more suitable for long-term unmanned automatic monitoring.

Product features:

1. High temperature and high pressure digestion, high digestion rate, and short digestion time;

2. Eliminate the interference of electromagnetic waves on the measurement results through dual beam measurement;

3. Automatic turbidity and chromaticity compensation function, suitable for high turbidity water bodies;

4. Adopting capacitive measurement method, the sample/reagent has high accuracy and good repeatability;

5. Chloride ion interference ≤ 75000mg/L, suitable for high salinity wastewater;

6. Low detection limit, suitable for water sample determination under complex working conditions.

Technical parameters:

Product Information: