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Brooks Granville-Phillips Series 835 Vacuum Quality Monitor (VQM?) ombines the highest performance gas analysis technology with intelligent functional design that transforms complex measurement into actionable information.The 835 VQM is the worlds fastest.lowest power mass spectrometer with full data collection,spectral analysis,and data logging at 85 ms capture rates for the full 1-145 amu measurement range or 125 ms for 1-300 amu.Compared to traditional Quadrupole Residual Gas Analyzers (RGAs),the 835 VQM is smaller.easier to calibrate.much faster.uses 80% less power,and accurately represents the low amu gases.Applications include leak detection.contamination checking,process control.vacuum quality monitoring and more.