ISO9001:2015 quality certified

Online Total Chromium Analyzer KTR600

Technical Specification of Total Chromium Analyzer

 

ModelKTR600
Monitoring ParameterTCR
MethodDiphenylcarbazide Spectrophotometer
Range(0.02-1) mg/L and (0.02-10) mg/L were expandable
Display unit12232 dot matrix display, 7-inch LCD touch screen dual display
Measurement modeManual  measurement,     continuous    measurement,            periodic measurement,      fixed-point     measurement       and automatic calibration measurement

Sample check

Measurement periodAnywhere 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 dataFive years of data storage
Communication interfaceRoute 24-20ma, Route 1 RS232, Route 1 RS485
Ambient Temperature(5-35) ℃
Ambient Humidity(65 ± 20) % Rh
Power RequirementsRated voltage (220 ± 22) VAC frequency (50 ± 1) % Hz
Contour Dimension505 * 395 * 671(length * width * height unit mm)

 

Principle and Application of Total 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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