Orrville, Ohio-based Rosemount Analytical now offers the CAT 7D Thermal Conductivity Analyzer for
stable measurements of hydrogen, nitrogen and other gases.The analyzer uses Wheatstone Bridge
technology to monitor changes in thermal conductivity between a known value and the thermal
conductivity value of the sample gas.The new design contains a twist-off cover for easy access to
the corrosion-resistant components. The CAT 7D explosion-proof enclosure is suited for hazardous
areas rated Class I Zone I, Group IIB+H2.The analyzer also provides a safety box in which signal
connections are mounted.