Industrial Grade Gas Chromatograph has column oven, injector/ detector temperature setting and control through computer and has a dimension of 27 X 25 X 30 cm and has 21 litres approx volume. The Gas Chromatograph can be availed with various options such as one capillary column port, one packed column port, two capillary columns ports, one capillary and one packed column ports, two packed and one capillary column ports and two packed column port. The Gas Chromatograph is designed with flame ionization detector, thermal conductivity detector. The Gas Chromatograph has digital flow display in case of packed column with the control from imported differential flow controllers and digital column back pressure display improves high precision in capillary column use. The Gas Chromatograph has hydrogen for flame ionisation detector with precise pressure control with digital display and air for flame ionisation detector with precise pressure control with digital display. The Industrial Grade Gas Chromatograph has dual path 4 tungsten rhenium filaments and has auto zero switch.