ISO9001:2015 quality certified

Online Hexavalent Chromium Analyzer KHC600

Technical Specification of Hexavalent Chromium Analyzer

 

 

Model KHC600
Monitoring Parameter CR (VI)
Method Diphenylcarbazide Spectrophotometer
Range (0.005-1) mg/L and (0.005-10) mg/L were 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

Sample check

Measurement period Anywhere from 30 minutes to 24 hours
Zero Drift ≤ ± 5% F. S
Range Drift ≤ ± 5% F. S
Repeatability ≤5%
Indication error ≤ ± 5%
MBTF > 720 hours
Stored data Five years of data storage
Communication interface Route 24-20ma, Route 1 RS232, Route 1 RS485
Ambient Temperature (5-35) C
Ambient Humidity (65 ± 20) % Rh
Power Requirements Rated voltage (220 ± 22) VAC frequency (50 ± 1) % Hz
Contour Dimension 505 * 395 * 671(length * width * height unit mm)

 

 

 

Principle and application of hexavalent chromium Analyzer

 

Chromium is one of the essential micronutrients of living things. The toxicity of chromium is related to its valence state. It is generally believed that the toxicity of hexavalent chromium is 100 times higher than that of trivalent chromium. Therefore, hexavalent chromium has been defined as one of the indicators of total quantity control in China.

Principle: under the condition of high temperature, oxidant oxidizes the chromium compound in the water sample to hexavalent chromium. In acid medium, hexavalent chromium reacts with chromogenic agent to form a purple-red complex. The absorbance of the complex is proportional to the chromium content in the water sample, the content of total chromium in water sample was obtained.

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

 

 

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