1、 Instrument Introduction

The DS-200A COD rapid analyzer is a new type of COD rapid analyzer developed by the company based on market demand. The design and performance of the product meet the requirements of the environmental protection industry standard "HJ/T 399-2007 Determination of Chemical Oxygen Demand in Water Quality - Rapid Digestion Spectrophotometer", and can meet the various needs of different users. It can be used for monitoring industrial wastewater and various domestic sewage in industries such as chemical, petroleum, coking, papermaking, metallurgy, brewing, and pharmaceuticals.

2、 Main technical indicators:

1. Determination method: Rapid catalytic method (chromium method);

2. Measurement range: 5~5000 mg/L (diluted measurement when>1000 mg/L);

3. Dissolution temperature: 165 ± 1 ℃; Dissolving time: 10 minutes;

4. Measurement time: Simultaneously measure 12 water samples within 30 minutes;

5. Anti chlorine interference: [CL -] ＜ 1000mg/L; [CL -]<4000mg/L (optional);

6. Temperature indication error ＜ ± 2 ℃; Temperature field uniformity ≤ 2 ℃;

7. The error of the digestion time indication is ≤± 1%;

8. Measurement error: 5-100 mg/L, juedui error ≤± 5 mg/L

100 mg/L~5000 mg/L， Relative error ≤± 5%

9. Curve parameters: Built in 10 measurement curves;

10 Calibration: Automatic correction of Kv value;

11. Built in real-time clock, with a monthly cumulative error of less than 10 seconds;

12. Record storage: can store 500 measurement results, data will not be lost when powered off, and can be saved for 10 years;

13. Printing: Portable printer, directly printing measurement results (optional);

14. Communication: The measurement results can be uploaded to the computer through a data cable, making it convenient for users to conduct statistical analysis;

15. Display: 240 * 128 large blue backlit display, Chinese operation interface;

16. Environmental temperature: (5~40) ℃;

17. Environmental humidity: Relative humidity<85% (no condensation);

18. Working power supply: AC220V ± 10%/50Hz;

19. Dimensions: 270 * 200 * 120mm;

20. The total weight of the machine is 1KG