Chongqing Ouyu Technology Co., Ltd. (phone: 61996088, 61996099) is a high-tech enterprise that integrates industry and trade. A comprehensive enterprise specializing in the research and development, design, production, sales, and post operation and maintenance services of water quality process detection instruments. Widely used in various fields such as thermal power, environmental protection, chemical industry, steel, metallurgy, pharmaceuticals, biochemistry, food and tap water. A comprehensive manufacturing enterprise with a complete range of instrument types, diverse styles, strong environmental adaptability, and high cost-effectiveness of domestic products.

Technical indicators:

1. Measurement method: Potassium persulfate oxidation UV spectrophotometry measurement (national standard GB-11849-89);

2. Test range: (0-1.0) mg/l, (0-15.0) mg/l, (0-200.0) mg/l, three selectable ranges;

3. Offline detection: 0.01mg/l;

4. Resolution lt; 0.001mg/l;

5. Accuracy: Standard solution<5%; Water sample<10%;

6. Reproducibility lt; 5%;

7. Measurement cycle: 45 minutes, adjustable;

8. Range drift: ± 5% F.S Zero drift: ± 5%;

9. Fault free operation time: ≥ 720h/time;

10. Sample interval: continuous, 1 hour, 2 hours, 24 hours, triggered, specified time point;

11. Calibration interval: manually or automatically at selected intervals and times (1-7 days);

12. Cleaning interval: manually or automatically at selected intervals and times (1-7 days);

13. Maintenance interval:>1 month, approximately 1 hour each time;

14. Reagent consumption: Each set of reagents contains about 720 samples;

15. Data storage: not less than 1 year of data storage;

16. Dimensions: 900 × 600 × 450 (mm);

17. Weight: 50kg;

18. Power supply: AC 220V ± 20%, 50Hz ± 1%;

19. Power: 300W;

20. Working environment: Indoor work, recommended temperature of 5-40 ℃, humidity ≤ 85%;

21. Operation log: Any operation of the instrument can be queried in the operation log (to prevent human falsification of data, set the scope, and comply with the latest certification requirements of China Environmental Monitoring Station).