Online TN Analyzer, HATN-2000, is a measuring equipment that quantifies total nitrogen by using the UV absorption spectrophotometry method. By oxidizing various nitrogenous compounds into nitrate nitrogen through oxidative degradation, it is quantified by using the UV absorption spectrophotometry. HATN-2000 has a simple configuration that has adopted the 7-port control valve to enable inflow of fixed quantity of sample and reagent for the purpose of accurate measurement. It has less clogging due to the use of large tubes, and it can automatically check the supply of sample and reagent.
Characteristics
HATN-2000
Simple structure:7-port control valve
Improved measurement accuracy
Compliance with the Standard Water Pollutant Testing Method
Economical maintenance expenses
Status condition display
Functions that separately discharges hazardous
waste liquid and general liquid (Option)
Principle
In the pretreatment step, by applying alkaline potassium persulfate and high heat to the sample, organic and inorganic nitrogen compound is turned into nitrate ions by using oxidative degradation. After cooling, the acidity is lowered and absorbance is measured to quantify the total nitrogen. The absorbance of nitrate ion is measured at 220nm, and the interference factor is compensated at 275nm.
Specification
-
- Measurement item
Total Nitrogen (TN)
-
- Measurement method
UV Absorption photometry
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- Measurement range
0~100mg/L (Adjustable)
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- Wavelength
220nm (275nm for compensation)
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- Measurement interval
60 minutes
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- Accuracy
±2% F.S.
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- Reproducibility
±2% F.S.
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- Linearity
±3% F.S.
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- Zero/Span drift
±2% F.S.
-
- Oxidation method
120°C persulfate thermal oxidation
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- Calibration
Auto/manual calibration by standard solution
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- Sample/Reagent measurement method
Photo sensor pulse control
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- Sample/Reagent distribution method
7-port distribution control method (Fixed quantity injection with multi-channel valve system)
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- Operation system
Windows 7 (CPU process) or more
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- Output
TCP/IP, DC 4~20mA, RS-232C
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- Status display
Normal operation, on calibration, error
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- Display
Color LCD 10.4″ (Touch screen)
-
- Power
AC 220V, 50/60Hz
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- Power consumption
Average 150W (Maximum 450W)
-
- Voltage regulation
3% or less
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- Data storage capacity
HDD 100G or more
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- Data output
USB terminal
-
- Enclosure / Size
Steel, IP55 / 600(W) x 662(D) x 1700(H) mm
-
- Operating humidity
RH 95% or less
Application
Application Field
Surface water monitoring
-
- River, lake, river water quality
- Waterworks facilities (intake station and Water plant, etc.)
Water quality TMS
-
- Sewage treatment plant, Wastewater treatment plant
- Wastewater discharging facility, Rural sewage treatment facility, etc.
Process control, etc.
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- STP process management,
- IWWTP process management, etc.
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