Model and technical index of GC-7820 gas chromatograph

                GC-7820 gas chromatograph is composed of sample injector, detector, chromatographic column box, gas flow control system, heating control system, signal detection system and network data transmission workstation.

A. GC-7820 Gas Chromatograph

                GC-7820 type gas chromatograph is improved on the basis of GC -6890 type, which has made a qualitative leap in its automation and overall performance. The instrument has a powerful network remote control function, making the instrument unattended, decentralized monitoring, and centralized control a reality . Figure 1.5 Appearance of GC-7820 Gas Chromatograph

Main Specifications:

·         Operation display                            : 8- inch high-definition color LCD touch screen, which can be

used as a handheld controller ;

·         Temperature control area            : 8 channels ;

·         Temperature control range         : 4 ℃ to 450 ℃ above room temperature, increment: 1 ℃,

Accuracy: ± 0.1 ℃ ;

·         Program heating order                  : 16 ( expandable );

·         Rising rate                                           : 0.1 ~ 60 ℃ /min ;

·         Air circuit control                              : precision mechanical valve flow control;

·         External events                                                : 8 channels; auxiliary control output 2 channels;