Working principle and technical parameters of online ammonia nitrogen monitor

Briefly describe the online ammonia nitrogen monitor NHNG-3010. According to market demand, BOQU has developed this dual-parameter ammonia nitrogen analyzer with high precision, wide application range and powerful functions. It is widely used in scientific research institutions, large, medium and small water plants and industrial mines. Concentration detection of COD/ammonia nitrogen in enterprises, domestic or industrial water, and wastewater. 1. Introduce the working principle of the ammonia nitrogen dual-parameter analyzer in detail: ammonia nitrogen in the form of free ammonia or ammonium ions reacts with Nessler's reagent to form a light reddish brown complex. The absorbance of the complex is proportional to the content of ammonia nitrogen. Absorbance was measured at 420 nm. 2 Technical parameters 1. Standard wavelength: 610±1nm, 420±1nm dual wavelength; 2. Detection position: automatic independent 4 water sample detection positions, which can realize batch detection, and the number of detection positions in a single measurement can be freely selected; 3. Reference Comparison channel: with fixed automatic reference channel, the detection process is highly automated and the detection result is accurate; 4. Display: 7-inch capacitive color LCD touch screen, intuitive menu navigation system, easy and visual operation; 5. Measurement item: COD high 6. Detection range: COD: 0~10000mg/L (section); Ammonia nitrogen: 0.01-100mg/L; 7. Error between channels: ±≤2% 8. Repeatability: ± ≤2% 9. Accuracy: ±≤5% 10. Concentration direct reading: free switching of measurement items, equipped with built-in curves, direct concentration reading, more accurate measurement results; 11. Large capacity storage: with data storage function, can store 5 million test data, and can be viewed freely; 12. Standard digestion device: standard digestion device, optional digestion device model, can digest 12 water samples in batches; 13. Equipped with consumable reagents: equipped with professional Consumable reagents, convenient and fast experimental work, simpler and more accurate measurement; 14. Pre-stored curves: 200 curves in memory, including 200 standard curves and 2 curves, which can be revised and saved by yourself; 15. Calibration function: the instrument has automatic calibration Function, can calculate and store curves according to standard samples, no need to manually make curves; 16. Printer: built-in printer, can print current data and stored historical data; 17. Data transmission: equipped with USB interface and serial port transmission function, real-time measurement data upload 18. Operation interface: bilingual operation interface in Chinese and English; 19. Light source: light source life of 100,000 hours; 3 Product advantages and characteristics 1. Batch detection: equipped with 4 water sample detection positions , can realize batch detection, and can automatically detect multiple water samples at the same time. The multi-channel detection structure design has strong batch processing ability and fast detection speed, which solves the problem of slow detection of multiple water samples and greatly improves the detection efficiency. 2. Reference channel: The instrument is equipped with an automatic reference channel. During the detection process, the concentration of the reference water sample and the concentration of the sample to be tested can be directly read at the same time, which improves the detection accuracy and avoids manual operation errors. 3. Optical filter: 2 wavelength filters are equipped as standard to meet the detection requirements of high COD range, low COD range, and ammonia nitrogen in the experiment. 4. Display: 7-inch large-screen color capacitive touch screen is selected, with comfortable and sensitive operation, good display effect, and rich content displayed on a single screen. 5. Data upload: The detection data can be stored in large quantities, and can also be uploaded. Data storage and processing are flexible and diverse. 6. Curve chart: The instrument has powerful data processing capabilities, and can display concentration curves, fitting curves, data charts, etc. without an external computer, and can also save and print. 7. Optical path system: The instrument adopts optical fiber spectroscopic system technology to ensure the accuracy of the detection accuracy. 8. Appearance: The casing is made of special materials, molded into one piece, anti-acid and alkali, not easy to aging, beautiful and durable. 9. Cost-effectiveness: The comprehensive configuration of the instrument is rich, and some components of the optical path and circuit are purchased. Compared with the same industry, it has a high cost-effectiveness. 10. Reagents: complete testing reagents. 4 Fields of application Applicable to scientific research institutions, large, medium and small water plants and industrial and mining enterprises, domestic or industrial water enterprises, food and other industries.
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