The utility model discloses a double -light -path water oil hydro carbons normal position monitoring devices, control makes LED lamp firm output exciting light with signal processing module control voltage stabilizing module for the light source provides the stabilizing the voltage signal, and the exciting light signal arrives the dichroic through the stray light of light filter filtering and divides the slide, the dichroic is detected by photoelectric detector no. 1 after dividing the smooth signal reflection that the slide will lack the part, as the reference signal of light source energy change, most light divides the slide transmission to produce fluorescence in the water sample that awaits measuring through the lens focus again through the dichroic in addition, and the fluorescence signal is detected by the photoelectric detector binary row after the dichroic divides the slide reflection, light signal output after control is handled with signal processing module of a last photoelectric detector no. 2 and a photoelectric detector collection, the utility model discloses realize real -time, quick, the accurate water oil hydro carbons pollutant situation of change of understanding.
; 蔡宗岐
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