The TD-500D hand held oil in water analyser is the lowest-cost, most user-friendly, accurate, and repeatable oil-in-water and oil-in-soil analyser on the market, compatible with all popular extraction solvents. It measures crude oil and gas condensates, diesel, lube oil, hydraulic fluids and fuel oil. The applications include produced water, industrial wastewater, oil spill response, leak detection, and oil in soil.