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Online COD Water Quality Analyzer KCD600

Cod is a commonly used comprehensive index to evaluate the degree of water pollution. The reducing substances in water are various organic matter, nitrite, sulfide, ferrous salt and so on, but the main one is organic matter. As a result, Chemical oxygen demand is often used as a measure of how much organic matter is in the water. The bigger the Chemical oxygen demand, the more polluted the water is with organic matter.

Technical Parameters

Model KCD600
Monitoring Parameter COD
Method Potassium dichromate oxidation, spectrophotometry
Range (0-1000) mg/L and (10-40000) mg/L are expandable
Display unit 12232 dot matrix display, 7-inch LCD touch screen dual display
Measurement mode Manual  measurement,     continuous    measurement,            periodic measurement,      fixed-point     measurement       and automatic

calibration measurement

Measurement period Anywhere from 30 minutes to 24 hours
Zero Drift ≤±1mg/L
Range Drift ≤±1%
Repeatability ≤3%
Indication error ≤±3
MBTF > 1440 hours
Stored data Five years of data storage
Communication interface Route 24-20ma, Route 1 RS232, Route 1 RS485
Ambient Temperature 5-40 °C
Ambient Humidity (65±20)%RH
Power Requirements Rated voltage (220 ± 22) VAC frequency (50 ± 1)% Hz
Contour Dimension 551 * 403 * 651(length * width * height unit mm)

Principle and Application of COD Analyzer

Cod is a commonly used comprehensive index to evaluate the degree of water pollution. The reducing substances in water are various organic matter, nitrite, sulfide, ferrous salt and so on, but the main one is organic matter. As a result, Chemical oxygen demand is often used as a measure of how much organic matter is in the water. The bigger the Chemical oxygen demand, the more polluted the water is with organic matter.

Principle: water sample, potassium dichromate, silver sulfate solution and concentrated sulfuric acid mixed high temperature digestion, high temperature digestion, determination of the sample in the reduction of the potassium dichromate of the trivalent chromium absorbency, the increase value of the trivalent chromium absorbance value is proportional to the COD value, and the absorbance of trivalent chromium is converted into COD value.

The main application scenarios include the monitoring of enterprise rainwater and sewage, the monitoring of COD Analyzer content in municipal pipe network, pumping station, groundwater, river water, lake water and sea water.

Cases

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Smart Irrigation System in the Tarim River Basin, Xinjiang

Background: The Tarim River Basin in Xinjiang is a major agricultural irrigation region in China. Due to limited water resources and the arid climate in the southern part of the basin, water management has become a critical issue for local farms and governments. Automated System: To address water wastage, some large agricultural areas in the Tarim River

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