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German WTW Trescon Nitrous Nitrogen and Nitrous Nitrogen Online Analyzer
German WTW Trescon Nitrous Nitrogen and Nitrous Nitrogen Online Analyzer
Product details
1measuring principle
（1） Nitrous nitrogen online analyzerTCU/N511
useAzo Dye(Azo dye) combined with reference beam method. After adding a color developer to the sample,NO2-Make the solution turn pink. Detect the amount of color change using a photometer, compare it with a reference value, and calculate the difference between the twoNO2-The concentration. In addition, the instrument also has a unique proportional background correction algebraic conversion function, which can compensate for the influence of chromaticity.
(II)Nitrogen online analyzerTresCon N211/TresCon S211
The ultraviolet light emitted from the pulsating light source illuminates the colorimetric cell, and the sample solution flowing in the colorimetric cellNO3-Absorbing some ultraviolet light, the transmitted light intensity is detected by two ultraviolet photodiodes with different detection wavelengths. These two signals are processed internally by the instrument, compared with the calibrated values, and calculated by the instrumentNO3- The concentration value, using4The beam testing method, combined with special correction functions, can compensate for the effects of sample chromaticity, optical lens contamination, etc. Therefore, this analysis module has good long-term stability and accuracy.
IITypical applications
（1） Nitrous nitrogen online analyzerTCU/N511
Monitoring of nitrification process in sewage treatment plants, including drinking water and natural water.
（2） Nitrogen online analyzerTresCon N211/TresCon S211
Denitrification process monitoring in sewage treatment plants, continuous effluent monitoring, organic pollution levelSACMonitoring（OS 210）Monitoring of inlet and outlet.
IIIAdvantages and Characteristics
（1） Nitrous nitrogen online analyzerTCU/N511
1、 Automatic background compensation dual beam reference system
2、 In mildly polluted wastewater, pre-treatment is not necessary
（2） Nitrogen online analyzerTresCon N211/TresCon S211
1、 4Beam testing principle, automatic background compensation
2、 No reagent method
3、 Continuous
4、 Technical indicators
（1） Nitrous nitrogen online analyzerTCU/N511
|
Range（mg/L） |
0.005~1.200 mg/L NO2-N |
|
Test scope: Accuracy |
± 2 %test value± 0.05 mg/L |
|
Test scope: Resolution/accuracy |
0.005~1.200 mg/L：0.001 mg/L；1% 0.020~4.000 mg/L：0.001 mg/L；1% |
|
response time |
< 5minute |
|
Measurement Interval |
5、10、15、20Minute, automatic adjustment mode, or intermittent operation achieved through triggering signals |
|
calibration |
automatic2Point calibration, optional time and interval |
|
Sample consumption and requirements |
During continuous testing0.06 L/Hours, suspended particles< 50 mg/L |
|
Reagent consumption |
1Reagent: per liter20Test once per minute, usable 80day 1Raise standard solution: per24Calibrate once per hour, usable 80day 1.5 LCleaning solution: per24Clean once every hour, usable45day |
|
service interval |
6Month |
|
interface |
3 group0/4-20 mAOutput,12 Group relay,RS232，RS485 |
|
Environmental conditions; Protection level; certificate |
Storage temperature:-25~60 °CWorking temperature:0~40 °C；IEC 1010-1/EN 61010 -1，Class 1；CE |
（2） Nitrogen online analyzerTresCon N211/TresCon S211
|
model |
Nitrous moduleON 210 |
Nitrate nitrogen/SACmoduleOS 210 |
|
Range（mg/L） |
0.1~60 mg/L NO3-N |
0.1~60 mg/L NO3-N： 0.1~200m-1 SAC |
|
Test scope: resolution; accuracy |
0.1~100 mg/L NO3-N：0.1 mg/L；2% 100~250 mg/L NO3-N：1 mg/L；2% |
0.1~100 mg/L NO3-N: 0.1 mg/L；2% 100~250 mg/L NO3-N：1 mg/L；2% 0.1 m-1 SAC |
|
Test scope: Accuracy |
± 2 %test value± 0.4 mg/L |
|
|
response time |
30second |
|
|
Measurement Interval |
continuous5、10、15、20、25、30Minute, automatic adjustment mode, or intermittent operation achieved through triggering signals(2、4、6、12、24hour) |
|
|
calibration |
Automatic zeroing and calibration |
|
|
Sample consumption and requirements |
During continuous testing0.5 mL/Hours, suspended particles<50 mg/L |
|
|
Reagent consumption |
10LDistilled water: per24Zero once per hour, available 130Heaven;1.5LCleaning solution: per24Clean once every hour, usable120day |
|
|
service interval |
6Month |
|
|
interface |
3 group0/4-20 mAOutput,12 Group relay,RS232，RS485 |
|
|
Environmental conditions; Protection level; certificate |
Storage temperature:-25~60 °CWorking temperature:0~40 °C；IEC 1010-1/EN 61010 -1，Class 1；CE |
|
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