Water quality monitoring system of Online PO4-P Analyzer – HAPO-4000

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Online Phosphate Phosphorus Analyzer, HAPO-4000, is a measuring equipment designed to measure phosphate phosphorus by using absorption spectrophotometry (ascorbic acid reduction method) .HAPO-4000 performs continuous automatic measurement of phosphate phosphorus concentration in water based on the Standard Water Pollutant Testing Method, and it has wide range of applications in continuous automatic measurement and real-time monitoring device for management of drinking water quality, wastewater, industrial effluent, and groundwater.

Characteristics

HAPO-4000

Multi-channel valve system

    • Patent acquired
      Fixed quantity distribution of sample and reagent

Exactitude & Accuracy

Exactitude
      • High performances micro pulse type pump
Accuracy
      • Equipped with measurement wavelength selection option according to site conditions (880 or 710nm)

Immediacy & Stability

Immediacy
      • Response within 15 minutes
Stability
      • Built-in low-temperature reagent storage device for reagent stability

Convenience in operation

Convenience
      • 3-point calibration and auto calibration function
      • Easy and simple operation, self diagnosis
Operation
      • Easy maintenance by simplification of the flow channel
      • Easy operation by private-labeled operation program

Principle

When the sample flows in to the analyzer, the ammonium phosphorus molybdate that is created through reaction of phosphate ion in the sample with ammonium molybdate is reduced by ascorbic acid (C6H8O6)to generate the color of molybdenum blue. Here, phosphate phosphorus is quantified by measuring the blue absorbance of molybdenum blue at 880nm. Depending on the sample water conditions of the site, the measurement wavelength can be set to 710nm.

Specification

    • Measurement item

Phosphate-Phosphorus (PO4-P)

    • Measurement method

Absorbance spectrophotometry (Ascorbic acid reduction method)

    • Measurement range

0~20mg/L (Adjustable)

    • Wavelength

880nm (Option: 710nm)

    • Measurement interval

15 minutes (Adjustable)

    • Detection limit

0.01mg/L F.S.

    • Accuracy

±2% F.S.

    • Reproducibility

±2% F.S.

    • Linearity

±2% F.S.

    • Zero/Span drift

±2% F.S.

    • Calibration

Auto/manual calibration by standard solution

    • Sample/Reagent measuring method

Step motor pulse control

    • Sample/Reagent distribution method

7-port distribution control method (Fixed quantity injection with multi-channel valve system)

    • Operation system

Windows 7 (CPU process) or more

    • Output

TCP/IP, DC 4~20mA, RS-232C

    • Status display

Normal operation, on calibration, error

    • Display

Color LED 10.4″ (Touch screen)

    • Power

AC 220V, 50/60Hz

    • Power consumption

Average 70W

    • Voltage regulation

3% or less

    • Data storage capacity

HDD 100G or more

    • Data output

USB terminal

    • Enclosure / Size

Steel, 1.5T(Except paint) / 645(W) x 439(D) x 1600(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.

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