... time.3. Four paths of independent control sections: column oven, sample injector, detector and thermal conductive pond.4. ... , GC 112 A-FPD and GC112A-NPD, gas sampling valve, transformation oven, absorber and pyrolysis absorber available for selection. ... above room temperature. (increment of 1°C)Control objectscolumn oven, detector, thermal conductive pond and sample injectorProgrammed temperature ...