1、 Instrument Introduction

2、 Main features

1. The unique all-in-one design mode integrates digestion and measurement, making it easier to carry and measure;

2. Built in high-power lithium battery DC power supply, capable of conducting multiple batches of experiments on site;

3. The digestion and determination power supply systems are independently separated and do not interfere with each other, reducing external influence on the results;

4. Dual display screen, LCD backlit display, Chinese operation interface, concise and clear;

5. The measurement system adopts advanced optical systems and cold light sources, with high measurement accuracy, small drift, and good stability;

6. The digestion system adopts PID regulation technology, which has high temperature control performance, good stability, and saves energy consumption;

7. The system has a built-in measurement curve self calibration function, which can automatically zero;

8. Built in large capacity storage space, capable of storing 100 curves and 30000 measurement results with time records;

9. Equipped with an RS232 data interface, it can be directly connected to a computer to upload experimental data;

10. Built in micro thermal printer, capable of real-time printing of measurement data

11. One piece suitcase design, easy to carry the whole machine, built-in dual lithium batteries, no need for separate power supply for digestion, convenient to use;

12. Using sealed digestion tubes, it has stronger resistance to chlorine interference;

13. The instrument is equipped with dedicated data recording and processing software, which facilitates the storage, processing, and analysis of experimental data;

3、 Technical parameters

1. Determination method: Alkaline potassium persulfate digestion UV spectrophotometry

2. Measurement range: 0.001-100mg/L (segmented measurement, expandable)

3. Measurement error: ≤ ±5 %

4. Range of photometric measurement: 0-2A

5. Wavelength accuracy: ± 1 nm;

6. Linear photometric measurement: ± 0.002 A;

7. Repeatability of photometric measurement: ± 0.005 A;

8. Accuracy of photometric measurement: ± 0.005 A;

9. Dissolution temperature and time: 120 ± 1 ℃; 30min

10. Measurement time: Dissolve 4 water samples simultaneously within 30 minutes;

11. Temperature indication error: ＜ ±1.5℃；

12. Uniformity of temperature field: ≤ 1.5℃；

13. Error in digestion time indication: ≤ ±3%；

14. Curve parameters: 100 measurement curve parameters can be set;

15. Record storage: capable of storing 30000 measurement results;

16. Printing: Equipped with a built-in micro thermal printer, it can directly print experimental data;

17. Environmental temperature: (5~40) ℃; Environmental humidity: relative humidity<85% (no condensation);

18. Working power supply: AC220V ± 10%/50Hz; DC power supply can work continuously for 50 hours.

4、 Product configuration