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NPW-160 Total Phosphorus_Total Nitrogen Analyzer

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NPW-160-总磷_总氮分析仪

NPW-160 Total Phosphorus_Total Nitrogen Analyzer

-Working principle: NPW-160 total phosphorus detection principle: add potassium persulfate as oxidant to the sample, digest the water sample to be tested at 120 ℃ for 30min, convert the phosphorus-containing compound into phosphate ion, and use ammonium molybdate spectrophotometry Method (measurement wavelength: 700nm) to detect the total phosphorus content in water quality, in line with GB11893-89 standard; NPW-160 total nitrogen detection principle: using potassium persulfate as an oxidizing agent, digest the water sample to be tested at 120 ℃ for 30min to make The nitrogen compound is converted into nitrate, the pH is adjusted, and the ultraviolet spectrophotometry (measurement wavelength:
NPW-160-总磷_总氮分析仪
Product description
Technical indicators
- working principle:
NPW-160 total phosphorus detection principle: add potassium persulfate as an oxidant to the sample, digest the water sample to be tested at 120 ℃ for 30min to convert the phosphorus-containing compound into phosphate ion, using ammonium molybdate spectrophotometry (measurement wavelength : 700nm) Detect the total phosphorus content in the water quality, in line with GB11893-89 standard;
NPW-160 total nitrogen detection principle: use potassium persulfate as oxidant, digest the water sample to be tested at 120 ℃ for 30min, convert the nitrogen-containing compound into nitrate, adjust the pH, use ultraviolet spectrophotometry (measurement wavelength: 220nm , 275nm turbidity correction: A = A220-2A275) Analysis of total nitrogen content in water quality, in line with HJ636-2012 national standards.
The detection and analysis methods of the NPW-160 total phosphorus / total nitrogen analyzer are in line with the international GB11893-89 standard.
 
 
-Application industry:
NPW-160 Total Phosphorus / Total Nitrogen Analyzer is mainly used to detect the content of total phosphorus and total nitrogen in surface water, tap water, municipal sewage or other special occasions.
 
 
-Instrument features:
● Independently designed heating decomposition device
● The system can realize wireless transmission
● Built-in CF card, data can be stored for a long time
● Low operating cost and less secondary pollution
● Integrated design simplifies pipeline connection
● Advanced multi-wavelength detector can measure total phosphorus and total nitrogen
 
 
- Product advantages:
1. Built-in multi-wavelength detector, one measurement can get two parameters at the same time, including total nitrogen and total phosphorus;
2. Has good accuracy and stability;
3. Low operating cost, reduce reagent consumption and waste liquid discharge;
4. Built-in multiple functions, data storage card (can save one year of measurement data), reagent quantitative sampling system;
5. Can be equipped with wireless transmission function
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Technical index
Measuring range
Total nitrogen, 0 ～ 2mg / L to 200mg / L
Total phosphorus, 0 ～ 0.5mg / L to 20mg / L
Detection limit
Total nitrogen, 0.08mg / LN (measurement range: 0 ～ 2mg / L)
Total phosphorus, 0.015mg / LP (measurement range: 0 ～ 0.5mg / L)
Repeatability ≤± 3% FS
Analysis interval 1 hour to 6 hours, can be set arbitrarily
Sample condition
Temperature, 2 ～ 40 ℃
Pressure, 0.02 ～ 0.05MPa
Flow rate, 1 ～ 3L / min
Each analysis sample volume is about 67.5mL
Reagent replenishment interval 1 month
working environment Temperature, 2 ～ 40 ℃, 85% relative humidity indoor installation
Analog output 4 ～ 20 mA, load 600 ohm
Relay Can set upper and lower limit alarms, fault information, etc.
power supply 220V，50/60HZ
Power consumption 500VA (maximum) 200VA (average) Data communication
  RS485 serial port
Dimensions 450 × 380 × 1430 mm
Weight About 80Kg

 

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