Replacement thermal conductivity detectors (TCDs) for the Varian 3800 gas chromatograph (GC) are now available from GOW-MAC Instrument Company. Made of stainless steel, each detector meets original equipment specifications and comes with rhenium-tungsten (WX) filaments as standard. GOW-MAC also provides replacement filaments and new replacement TCDs for other major brand name gas chromatographs. Visit www.gow-mac.com.
