ISO9001:2015 quality certified

KTP600 Online Total Phosphorus Analyzer

Monitoring ParameterTP
MethodPersulfate oxidation, ammonium molybdate Spectrophotometer
Range(0.05-10) mg/L and (0.05-400) 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

Measurement PeriodAnywhere from 30 minutes to 24 hours
Zero Drift≤ ± 0.2%
Range Drift≤ ± 0.5%
Repeatability≤ ± 0.8%
Indication Error≤ ± 5%
MBTF> 1440 hours
Stored DataFive years of data storage
Communication Interface2 Route 24-20ma, 1 Route RS232, 1 Route RS485
Ambient Temperature5-40 °C
Ambient Humidity(65 ± 20)% Rh
Power RequirementsRated voltage (220 ± 22) VAC frequency (50 ± 1)% Hz
Contour Dimension551 * 403 * 651(length * width * height unit mm)




Principle and Application of Total Phosphorus Analyzer


Total phosphorus is the total content of phosphorus in water, and it is an important index to evaluate water quality. Its main sources are domestic sewage, fertilizer, organophosphorus pesticides and phosphate detergent used in modern times. Phosphorus in water is a key element for algae growth. Excessive phosphorus is the main cause of pollution and foul smell, eutrophication in lakes and red tide in bays.

Principle: phosphorus compounds in water are oxidized to orthophosphate by strong oxidant under high temperature and high pressure. Orthophosphate is reduced to blue phosphomolybdic acid in molybdic acid acid solution, by measuring the absorbance of the phosphomolybdate, the total phosphorus content in the water sample was obtained.

The main application scenarios include the monitoring of enterprise rainwater and sewage, the monitoring of total phosphorus in municipal pipe network, pumping station, ground water, river water, lake water and sea water.

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