pegasus4dProduct Details; Item Pegasus BTX GC-TOF Mass Spectrometer; Company LECO; Price Get Quote; Catalog Number Pegasus BTX; Quantity EA; Resolution >1100 at mz 219; MassFor theory of operation, refer to the GCxGC Spec Sheet (209-184-001). For analytical parameters for the Pegasus BT, refer to the Pegasus BT Spec Sheet (209-251-001).