Electrochemical-type Online COD Analyzer, HACA-2000, quantifies COD from the amount of current that is generated from oxidizing organic matter by using voltammetry method. The core technology, Composite Material Electrode, can be generated with simple polishing. Because it doesn’t require strong acid or high temperature conditions, it is easy to operate and manage as well as economical. It has less clogging due to the use of large tubes, and it can automatically check the supply of sample and reagent.
Characteristics
HACA-2000
Low maintenance cost: Renewable electrode
Improved measurement accuracy
Short measurement time
Status condition display
Principle
When the optimum operating voltage is given to the composite material electrode that includes a catalyst, the catalyst that is distributed within the electrode induces oxidation reaction. Here, the measured amount of current and charge is proportional to the concentration of organic matter, it measures by converting this into COD value.
Specification
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- Measurement item
Chemical Oxygen Demand (COD)
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- Measurement method
Electrochemical decomposition
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- Measurement principle
Conversion to COD concentration from electrical signal generated during electrochemical oxidation
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- Measurement range
0~200mg/L (Adjustable)
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- Measurement interval
20 minutes (Adjustable)
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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.
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- Oxidation potential
2.85V or more
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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)
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- Power
AC 220V, 50/60Hz
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- Power consumption
Average 85W
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- Voltage regulation
3% or less
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- Data storage capacity
HDD 100G or more
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- Data output
USB terminal
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- Enclosure / Size
Steel, IP55 / 600(W) × 662(D) × 1700(H) mm
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- Operating humidity
RH 95% or less
Application
Application Field
Surface water monitoring
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- River, lake, river water quality
- Waterworks facilities (intake station and Water plant, etc.)
Water quality TMS
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- 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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