Page 7 - GC-2050
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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
                                                       8.0
                1.0
                                                             9.0
                           3.0
                      2.0
                                                             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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