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Waters Xevo G2-XS QTof Quadrupole Time-of-Flight Mass Spectrometry System

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Xevo G2-XS QTof Quadrupole Time-of-Flight Mass Spectrometry

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eXtreme Sensitivity, eXtraordinary Selectivity, eXceptional Solutions

For the scientist who needs to identify, quantify and confirm the broadest range of compounds in the most complex and challenging samples.

  • Maximum robustness with no compromise in performance
  • Class-leading real-world quantitative sensitivity
  • Highest quality, most comprehensive qualitative information
  • Flexibility to adapt to changing needs
  • Accessible to experts and non-experts alike

Maximum robustness with no compromise in performance

The trend for increasing complexity of both samples and studies can result in difficulty obtaining high quality data for every component of interest while maintaining optimum performance throughout the analysis.

The Xevo® G2-XS QTof combines StepWaveTM ion optics with the XS Collision Cell, providing a significant increase in sensitivity with no reduction in selectivity.  During long analyses, critical hardware components stay clean for longer, so results are more reproducible and the laboratory stays productive.

Meaningful information is obtained for a greater number of components across a larger population of samples than ever before, giving a more complete picture for improved understanding and more confident decision making.

Optimum performance is maintained over many repeat injections

Class-leading real-world quantitative sensitivity

In targeted quantitative analysis, the greatest challenge is to detect and quantify components of interest down to the lowest possible levels, often in the presence of interferences from complex matrix.  Large variation in the concentrations of different components further adds to this challenge.

The Xevo G2-XS QTof combines sensitivity and selectivity with the mass accuracy, dynamic range and speed provided by QuanTofTM technology and the enhanced quantitative capability of Tof-MRM data acquisition.  The end result is class-leading quantitative performance in real everyday laboratory conditions, demonstrated by limits of detection and quantification superior to anything achieved before with high resolution MS.

Powerful technologies combine to deliver superior quantitative performance

Highest quality, most comprehensive qualitative information

In addition to accurate quantitative profiles, complete understanding of a sample requires detailed and comprehensive qualitative information.

MSE is a simple but powerful approach that delivers accurate mass precursor and fragment ion data for every detectable component, whether chromatographically resolved or not.  This represents the ultimate in qualitative information, and because the approach is un-targeted, the data can be interrogated again later as scientific questions evolve.

FastDDA is an automated, targeted data acquisition method that provides rapid, intelligent accurate mass MS/MS capability for confirmation of known compounds or characterization of unknowns, for situations where only true MS/MS data will suffice.

Flexibility to adapt to changing needs

The growing emphasis on efficiency and productivity in the laboratory demands analytical systems that are not only robust and reliable, but that also have the flexibility to accomplish a wide variety of tasks today, with future-proofing for the innovations of tomorrow. 

Waters’ Universal Ion Source Architecture enables the use of a single analytical platform for many different applications and molecule types, as well as providing the option to add new functionality as requirements and priorities change.  All source options are designed to be quickly interchangeable and ready to use within minutes, maximizing versatility and minimizing downtime.

Simple, automated checks confirm the system is ready to use

Accessible to experts and non-experts alike

Traditionally the ability to achieve and maintain optimum performance from such a powerful analytical system would require a level of knowledge and experience held only by expert users.

The Xevo G2-XS QTof features IntelliStartTM technology, an intuitive user interface that automates routine tasks and ensures reproducible data of the highest quality, ensuring the full capability of the system is accessible to all.

IntelliStart enables essential functions to be carried out automatically:

  • MS resolution and calibration checks
  • Simple setup of diverse experiments
  • Scheduled LC-MS system checks
  • Continuous system monitoring

Specifications:

SYSTEM HARDWARE SPECIFICATIONS
API sources and ionization modes

High performance ZSpray™ dual-orthogonal API sources: and ionization modes

  1. Multi mode source – ESI/APCI/ESCi® (optional) NB – Dedicated APCI requires an additional probe (optional)
  2. APCI IonSABRE II probe (optional)
  3. Dual mode APPI/APCI source (optional)
  4.  nanoFlow™ ESI source (optional)
  5. ASAP ion probe (optional) 6) APGC ion source (optional)
  6. ionKey/MS™ (optional) Tool-free source exchange Vacuum isolation valve Tool free access to customer serviceable elements Plug and play probes De-clustering cone gas Software control of gas flows and heating elements
Mass analyzer The instrument is equipped with a high resolution, high stability quadrupole analyzer (MS1), plus pre-filters to maximize resolution and transmission while preventing contamination. The instrument is also equipped with a high performance oaTof mass analyzer (MS2) with a mass range up to m/z 100,000 and a resolving power of >40,000 FWHM.
Collision cell XS Collision Cell enabled for optimal MS/MS performance at high data acquisition rates; Software programmable collision energy control.
Detector Ultra-fast electron multiplier and hybrid ADC detector electronics to provide outstanding sensitivity and quantitative performance.
Vacuum system Differentially pumped, automated vacuum system comprising air-cooled turbomolecular pumps and one backing pump (either one rotary pump or one oil free pump). Vacuum read backs and system vent/pump cycles are digitally monitored and controlled, to provide total software control and ensure fail-safe operation in the event of power failure.
Dimensions
  • Width: 69.2 cm (27.2 in.)
  • Height: 152.0 cm (59.8 in.)
  • Depth: 101.8 cm (40.1 in.)
Regulatory approvals/marks CE, CB, NRTL (CAN/US), RCM
SYSTEM SOFTWARE SPECIFICATIONS
Software Systems supported on MassLynx® 4.1 or later, and on UNIFI®Scientific Information System version 1.7.1 or later.
IntelliStart Technology System parameter checking and alerts Integrated sample/calibrant delivery system + programmable divert valve Automated mass calibration LC-MS System Check – automated on-column performance test
PERFORMANCE SPECIFICATIONS
Acquisition modes
  • MS scanning
  • MS/MS product ion scanning
  • UPLC®-FastDDA (rapid, automated MS to MS/MS scan function switching):
  • UPLC-MSE
  • Tof-MRM
  • Ionization mode switching (ESCi)
  • External contact start/stop/events
  • Analogue channel acquisition via an e-SAT/IN module
Mass range
  • The TOF mass range is m/z 20 to 100,000
  • The quadrupole mass range is m/z 20 to 16,000 in non-resolving mode and m/z 20 to 4,000 in resolving mode
  • A high mass quadrupole option is available with a mass range up to m/z 100,000 in non-resolving mode and m/z 32,000 in resolving mode
Mass measurement accuracy The mass measurement accuracy of the instrument will be better than 1 ppm RMS, based on 10 consecutive repeat measurements of the [M + Na]+ ion of raffinose (m/z 527.1588), using a suitable choice of lock mass.
Dynamic range The dynamic range, defined as the range of peak intensities that will give better than 3 ppm RMS for 10 sec of data, is at least four orders of magnitude when measured on the m/z 556.2771 peak from leucine enkephalin. This can be increased with use of programmable dynamic range enhancement (pDRE) technology.
Mass resolution
  • Resolution mode: >40,000 FWHM measured on the (M + 6H)6+ isotope cluster from bovine insulin (m/z 956) at a data acquisition rate of 30 spectra per second.
  • Sensitivity mode: >30,000 FWHM measured on the (M + 6H)6+ isotope cluster from bovine insulin (m/z 956) at a data acquisition rate of 30 spectra per second.
MS sensitivity (ESI+) The peak at m/z 556 from a solution of 50 pg/µL leucine enkephalin in 50/50 acetonitrile/water + 0.1% formic acid, will have an intensity of greater than 80,000 counts per sec. The instrument will be tuned to >30,000 FWHM resolution (as demonstrated on bovine insulin) and the mass range will be set to m/z 1200.
MS sensitivity (ESI-) The peak at m/z 503 from a solution of 500 pg/µL raffinose in 70/30 acetonitrile/water (no additives), will have an intensity of greater than 110,000 counts per second. The instrument will be tuned to >30,000 FWHM resolution (as demonstrated on bovine insulin), and the mass range will be set to m/z 1200.
MS/MS sensitivity Using a [Glu1] -Fibrinopeptide B solution of 100 fmol/µL with the instrument tuned for >30,000 resolution (as demonstrated on bovine insulin), the intensity of the most intense y" sequence ion from the MS/MS spectrum of the doubly charged precursor ion (m/z 785.8) will be greater than 7,500 counts per second.


  • Model: Xevo G2-XS QTof
  • Manufactured by: Waters