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.

Product introduction: XT-IV online COD analyzer (with environmental certification) adopts potassium dichromate high-temperature digestion and colorimetric determination (national standard GB11914-89); This product adopts touch screen display and command input, multiple sampling and measurement modes, unique design, lower failure rate, lower maintenance, lower reagent consumption, and higher cost-effectiveness! Widely used for online ammonia nitrogen detection at the inlet and outlet of industrial wastewater treatment, surface water, rivers and lakes, and water plants.

TECHNICAL INDEX

1. Measurement method: Potassium dichromate high-temperature digestion;

2. Test range: (0-4) mg/l, (0-15) mg/l, (0-50) mg/l, (0-300) mg/l

3. Automatic switching of four ranges, maximum measurement range: 0-300mg/L, measurement line: 0.05mg/L, resolution:<0.02mg/L, accuracy: ± 10% or ± 0.1mg/L (whichever is greater); Water sample<15%; Reproducibility: less than 5%, digestion time: 20 minutes, adjustable, trouble free operation time: ≥ 720h/time, range drift: ± 5% F.S. 3. Sampling interval: continuous, 1-hour, 2-hour, 24-hour, triggered, specified time point, calibration interval: manual or automatic according to selected interval and time (1-7 days), cleaning interval: manual or automatic according to selected interval and time (1-7 days), maintenance interval:>1 month, approximately 1 hour per time;

4. Reagent consumption: Each set of reagents contains around 720 samples;

5. Data storage: not less than 1 year of data storage

6. Human computer interface: 7-inch, 70000 colors, 800 * 480 resolution, TFT true color touch screen, printing: reserved printer interface, can be connected to an external industrial micro printer (optional), storage: 20000 data, no loss in case of power failure, automatically overwrite the earliest data when full (can add 40000 data);

7. Communication interface: 1 RS232 digital interface or RS485, supporting MODBUS communication protocol or custom protocol; 1 analog signal 4-20mA (20mA corresponds to adjustable range);

8. Preprocessing system: self-cleaning, blowback, and precision filtration functions ensure good representativeness of the sample while avoiding blockage of the pipeline by large suspended particles, ensuring data continuity (optional);

9. Dimensions: 900 × 600 × 450 (mm), Weight: 50kg, Power Supply: AC 220V ± 20%, 50Hz ± 1%, Power: 300W, Environmental Temperature: 5-40 ℃, Environmental Humidity: ≤ 85%.