Defiant Technologies FROG 5000 is the lightest, most compact Gas Chromatograph available on the market. the hand held and portable FROG 5000 Gas Chromatograph operates on batteries and uses ambient air for the carrier gas, enabling easy and rapid analysis of volatile organic compounds such as BTEX, TCE, PCE, Naphthalene, Vinyl Chloride and many other VOC’s in water, soil and air. the FROG 5000 identifies each, Batteries ...