... epidemic prevention, pharmacology, scientific research, etc. APPLICATIONSSP-3400 Gas Chromatograph, made according to international standards, its technical ... ) externalŸ Time programming of detectorsEach of detectors has 5-ramp programmable time control. Output-signal, attenuation range, ... of column ovenCooling time 250°Cto 50°Cin 5 minProgrammable oven with 4-ramp temperature controlTemperature ...