portable water quality testing box Product Description
1. Wavelength range: 380-800nm
2. Display: 7-inch color LCD touch screen;
3. Filter: Standard with 4-wavelength filter;
4. Optical path system: Fiber optic spectroscopic detection system (ZL number:) ZL 2018 2 0182044.4）；
5. Testing items: With nearly 50 preset testing items, it can directly measure COD, ammonia nitrogen, total nitrogen, chromaticity, turbidity, and various inorganic pollutants; Multiple indicators including total chromium, nickel, copper, zinc, iron, lead and other heavy metals; At the same time, other items can be customized according to the detection requirements, and the setting program can be opened;
6. Storage: It can store 5 million pieces of detection data and can be freely accessed and viewed;
7. Pre stored curve: Pre stored factory standard curve, which can be revised and saved by oneself, or fitted by oneself,;
8. Digestion: comes standard with an independent digestion device;
9. Automatic calibration: The instrument has an automatic calibration function;
10. Printing method: standard built-in printer;
11. Data transmission: equipped with serial port transmission function;
12. Light source: LED light source is used to effectively ensure the stability of the light source;
13. Light source stability: ≤+0.001A/10min; Detection repeatability: ≤± 2%;
14. Detection position: DT3900 (tube colorimetric), DT3900 (dish colorimetric)
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