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- Special Parameter Online Monitoring Instrument
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- Laboratory Online Testing Instrument
- Water Treatment Process Instruments
Product Model: NH3N-8000
System Overview
The water sample was sent to the ammonia nitrogen digestion tank after the pretreatment device, and then potassium bichromate was added, and the ammonia nitrogen concentration in the water was measured by colorimetry after high temperature and high pressure reaction in the presence of silver and mercury salts. At the same time, the water sample was taken into the colorimetric tank, and the sodium reagent or salicylic acid was added for the colorimetric determination of ammonia nitrogen. The degree of change of the color of the solution in the remeasurement range is proportional to the concentration of ammonia nitrogen in the water sample, and the content of ammonia nitrogen in the water sample can be calculated by measuring the absorbance of the solution.
Technical Parameters
| Measurement methods: | potassium persulfate oxidation UV-VIS spectroscopy; |
| Measuring range: | (0-50) mg/L; |
| Accuracy: | 10%; |
| Repeatability: | 5%; |
| Measurement time: | about 30min; |
| Measurement method: | timing, equal interval, manual; |
| Correction mode: | automatic timing correction or manual correction; |
| Maintenance mode: | Self-maintenance, user maintenance interval >1 month; |
| External sampling: | submersible pump or self-priming pump; |
| Drug change: | 3~5 weeks; |
| Data transmission: | 4-20mA; RS232; RS485; |
| Display: | 8-inch color touch screen, resolution is 800X600; |
| Data storage: | one year of valid data; |
| Operating temperature: | + 0℃ ~ +40℃; |
| Power supply: | 220 V AC ± 10% / 50-60 Hz; |
| Power consumption: | about 100W; |
| Size: | 490*1340*375mm; |
| Weight: | 45Kg. |
System Features
· Maintenance Free Design
The water sample pre-treatment device adopts a maintenance free design, which can ensure that the maintenance cycle of the pre-treatment device exceeds six months;
· Chemical Digestion Time Can Be Adjusted
The chemical digestion time can be adjusted, and the measurement process and results meet relevant standards;
· Adjustable Quantitative Sampling Device
Ensure that the instrument accurately measures various water samples by adjusting the reagent dosage and sampling amount;
· Non Contact Injection Pump
The use of reagents adopts a non-contact injection pump to avoid direct corrosion of the reagent pump, which can extend the service life of core components and reduce user usage costs;
· All Imported Devices
The analysis of flow path design and reagent formulation ensures measurement reproducibility, with a current measurement reproducibility of up to 5%;
· Fully Automatic Operation
No need for personnel on duty, it can achieve intelligent functions such as automatic zero adjustment, automatic calibration, automatic measurement, automatic cleaning, automatic maintenance, self-protection, and automatic recovery;
· Diversified Online Monitoring Methods
It can achieve measurement methods such as manual measurement at any time, automatic timed measurement, and automatic periodic measurement;
· Leakage Reminder Function
When there is a reagent leak, the instrument automatically prompts the user to perform maintenance.
