Overview
The DHP-200 is retired from Campbell Scientific's product line, but may be available from the manufacturer (FiberChem, Inc., Las Vegas, NV; last known phone number 702-361-7921. As of 3/2000, a merger with a Canadian company, Intrex Data Communications Corp, was in the works). Designed for ground, surface, or waste water applications, the DHP-200 is a patented fiber optic probe that detected aromatic petroleum hydrocarbons and higher molecular weight hydrocarbons in solution.