Page 6 - GC-2050
P. 6

Less Energy and Gas Consumption                                                                                    Safer and even faster analysis with H 2 gas
                                                                                                                                                                                                                    Hydrogen sensor


                                                                                                                                                                      Helium carrier gas 30 cm/s
                                                                                                                                                                      Hydrogen carrier gas  60 cm/s
                     ECO design

                     The Brevis GC-2050 consumes 30 % less power than conventional GCs. It also minimizes helium usage and supports
                     operations with alternative carrier gases.
                                                                                                                                                          About  50%  reduction
                       Comparison of power consumption
                             on a GC run cycle.
                       300
                      Power consumption [Wh]  250  Approx.  High-performance insulating materials and a smaller oven have                High-speed analysis of impurities in benzene using hydrogen carrier gas
                                                                                                                                                                5.0
                                                                                                                                                                      6.0
                                                                                                                                                                            7.0
                                                                                                                                                           4.0
                                                                                                                                          1.0
                                                                                                                                                2.0
                                                                                                                                                                                       9.0
                                                                                                                                                                                 8.0
                                                                                                                                                     3.0
                                                                                                                                                                                       min
                       200
                       150
                                                      eliminated heat loss. As a result, the Brevis GC-2050 achieves about a 30
                       100
                                 consumption
                        50       30 %                 % reduction in power consumption during analysis compared to
                                                      conventional GCs.
                         0                                                                                                              The Brevis GC-2050 can be equipped with a hydrogen sensor. Not only does it enable early detection of potential
                           Conventional  GC-2050
                                                                                                                                        leaks in the oven and maintain a safe standby mode, but if a hydrogen leak occurs, it turns off the main power to
                       The amount of electricity consumed will vary
                       depending on the laboratory environment.                                                                         prevent an accident. In addition, the GC main unit has an automatic carrier gas leak check function that supports
                                                                                                                                        the use of hydrogen carrier gas. Furthermore, a gas selector* can switch the carrier gas to nitrogen after an
                                                                                                                                        analysis has been completed to enhance safety. Hydrogen carrier gas enables fast analysis (application example
                     Minimizing helium gas usage                                                                                        above) and maximizes throughput in the laboratory.
                                                                                                                                        * Hydrogen sensor and gas selector are options.
                       2500
                      Helium Gas Consumption [mL]  2000  Approx.  mode can reduce the amount of carrier gas released from the split flow
                                                      In the split/splitless sample introduction method, the carrier gas save
                       1500
                                                      path to outside the GC system after sample transfer to the column for
                       1000
                                                      analysis. Further gas savings can be achieved by using the optional gas
                       500
                                 consumption
                                                      such as N2 except during analysis.
                         0       90 %                 selector to automatically switch the gas from He to an alternative one
                            Not used  Carrier gas saving function
                                   When used with gas selector
                                    Sample      Sample                                     Sample
                                   injection    injection                                  injection
                     Gas                 Carrier gas   Carrier gas      Savings with               Carrier gas
                     consumption         Save Mode     Save Mode        gas selector               Save Mode

                                                He                         N2                    He

                     Status                  Batch analysis              N2 Supply               Batch analysis

                                                                                      Waiting for
                                                                                      gas replacement

                                                               Auto                 Auto     Analysis
                                                              switching            Switching  start
                           • Analysis time: 30 minutes; Split ratio: 100  • Carrier gas save mode: Split ratio set to 10  one minute after sample injection
                           • Total analysis time per day: 5 hours




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