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Bay Instruments - Model PETREL -Quadrupole Mass Spectrometer
FromBay Instruments
PETREL Bay Instruments quadrupole mass spectrometer is designed for versatility in gas analysis using membrane inlet and other gas inlet devices. Our novel design offers one click pump-down of inlets during start-up or change-overs. Filament damage and vacuum losses are prevented using software and hardware that monitors the inlet. A quick-connect fitting that adapts to multiple devices allows easy change-over of inlets, including our high precision membrane, membrane cuvette and capillary gas inlet.
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gas detection
- Mass range: 0 to 100, optionally 200 or 300
- Detectors: Faraday and C-SEM
- Ion source: Gas tight
- Detection limit min: C-SEM (hPa) 1 · 10-14 hPa
- Scan speed: MID 2 ms – 60 s/amu
- Sensitivity for Ar: C-SEM 200 A/mbar
- Sensitivity for Ar: Faraday 5 · 10-4 A/mbar
- Automated valve control for pre-evacuating inlets
- Automatic protection of filament and SEM from inlet failure
- Precision* of ion currents: 0.1%
- Precision* of gas ratios: 0.03%
- 15N,18O abundance (air): 1 per mil
- * C.V. of triplicate measurements using high precision membrane inlet