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  5. Protea - Model ProMass - Quadrupole ...

Protea - Model ProMass -Quadrupole Mass Spectrometer (QMS) Analyser System

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Quadrupole Mass Spectrometer Analyser System for low volume, quick responding gas measuring with large dynamic range Protea’s ProMass analyser is a compact, robustly designed semi-portable Quadrupole Mass Spectrometer (QMS) instrument incorporating all the latest mass spectrometer and vacuum pumping technology. ProMass can be supplied in portable carry case or a 6U 19” rack module for on-line process measurements. QMS is a useful mechanism for gas analysis in ambient air or process applications, being able to detect and measure almost all gases with low detection limits and fast response.

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A mass spectrometer measures the mass-to-charge ratio of the molecules in a sample by collecting and analysing the mass spectrum we can identity and quantify which molecules are present. The QMS within ProMass contains a mass filter that is made up of 4 parallel circular rods, hence the name quadrupole. With variable mass ranges of 0-100amu, 0-200amu or 0-300amu it is an instrument suitable for portable or fixed installations ideally suited to semiconductor production processes, ambient air measurements, leak testing and quality testing for the food industry.

  • Very quick (millisecond) response time
  • Detects almost any gas
  • Low maintenance costs, with corrosion resistance inlets
  • Advanced chemometrics for multi-gas quantification

Advanced vacuum pumping and ion stabilisation for quick start-up time Application of Protea’s advanced chemometric routines to aid quantification Compatible with our sampling system control systems for turnkey solutions.

Specific Applications for ProMass:

  • Hydrogen (H2) fuel analysis
  • H2 production processes
  • Ambient air measurements
  • BTEX quantification
  • Ethylene and ethylene oxide production
  • Breath analysis
  • Gas Blending and bulk gas production
  • UHV System : 250 l/sec Turbo Molecular Drag pump (TMP), suitable for light gas pumping Rotary backing pump, with ultimate pressure <7E-3 mbar (housed external in sampling module) Automated vacuum system control for vacuum integrity and protection Pirani total pressure gauge PID controlled temperature bake-out of vacuum chamber
  • Ion Source : Open or closed electron ionization source with adjustable electron energy Filaments: Yttrium oxide coated Iridium Source energy controlled and ramped for long-life and stability Soft ionization (option)
  • Vacuum Inlet : Fast Capillary: 2m heated sample line, purge time <100ms, Swagelok 6mm fittings Membrane barrier: For liquid sampling Calibrated leak: Heatable Sintered Stainless Steel, Hastelloy, Tungsten for corrosive gases
  • QMS : Detector: Faraday and C-SEM Maximum Operating Pressure: 1x10-5 mbar (C-SEM) Range: upto 300amu Resolution: 0.7–2.0 amu adjustable Reproducibility: ≤ ± 1% Speed: 1amu/sec (standard), >200amu/sec (option)
  • Analysis : Minimum Sample Time: 10ms Detection limit: Typically 100ppb Units: ppb, ppm, %Vol
  • Operating Temperature : 0 - 40°C
  • Dimensions : 19" x 500 x 6U
  • Power : Mains input voltage: 90- 250vac. 50/60 Hz. Power consumption <3A
  • I/O : Built in I/O: 16 x analogue o/p, 5 x analogue inputs, digital I/O for alarms