Deep UV Fluorescence

Deep UV Fluorescence allows for the measurement of light hydrocarbons and condensates

For the measurement of hydrocarbons in water LIF laser induced fluorescence is the normal go to method.  While laser induced fluorescence can measure crude and heavier oils with significant accuracy, lighter more refined oils will have limited success.

The reason for this, is that lighter oils which are often found in refinery or industrial production contain aromatic hydrocarbons of less complex structures (such as single ring hydrocarbons). The fluorescence wavelength required to excite these hydrocarbons requires a much lower wavelength light than that of Laser Induced Fluorescence which is usually 405nm.

Advanced Sensors Deep UV Technology

  • Zero drift- Highly stable back monitor Deep UV LED
  • Ultra low excitation wavelength 255nm
  • Measure lighter oils, condensates and BTEX containing single or multi-ring (MAH or PAH) aromatic hydrocarbons
  • Large measurement range ppb to 10,000ppm*
  • Range of analyser options suited for a wide variety of applications



Advanced Sensors Deep UV Fluorescence is an excellent choice for condensate measurement in the upstream sector. For measurement of light oils in applications such as Desalter, Cooling and Boiler water and wastewater in the refinery sector. Also, there are a host of applications including diesel run-off, effluent measurement, windfarm generator oil leaks across a range of sectors.

Deep UV Fluorescence signal of crude oil to the right of the green line capturing more of the aromatic hydrocarbons than just seen from the right of the red line with Laser Induced Fluroescence (LIF)

Best in class

Other manufacturers may claim Deep UV Fluorescence, but unless it has excitation wavelength below 260nm there will be a limitation on the measurement of the lighter oils and will struggle to measure BTEX components.