Chemtron science laboratory offers a range of gas chromatographs. These are available in various models. Model 2045 is provided with single detector -pid, fpd, ecd, hid, tcd or fid. It is equipped with pressure regulator valve or pneumatics mass flow controller integrators and manual cooling oven. This is available in low/ medium/ high operating sensitivity mode. The system can be configured to different types of detectors, like tcd, fid, pid, ecd, fpd and hid.