HP 5971 Detector

The HP 5971A Mass Selective Detector (MSD) is a stand-alone capillary GC detector designed for use with the HP 5890A gas chromatograph. It is compact and portable (mainframe weighs 21 kg), requires no cooling water or compressed air, and operates on 110/120 volts or 220/240 volts power. The MSD mainframe includes the GC interface, electron impact ion source, monolithic quartz hyperbolic quadruple mass filter, electron multiplier detector,
power supply, drive electronics, and analyzer vacuum system. The MSD is configured for a right-side sample inlet.