Ultra 271

High-resolution quantitative gas mass spectrometer (QGMS) capable of dual-function isotope ratio and quantitative analysis. Features switchable resolution modes and advanced multicollector technology.

• Status: Active
• Country: Germany
• Isotopic: Yes
• Elemental: Yes
• Type of measurable elements: Light stable isotopes (C, N, S, O, H)
• Measurable isotopes/elements: ¹³C/¹²C, ¹⁵N/¹⁴N, ¹⁸O/¹⁶O, noble gases, hydrocarbons, and others
• Analyzer type : Magnetic Sector MS
• Ion source type: Electron impact
• Inlet types: Dual inlet and batch inlet
• Mass range : 0.1–300 amu
• High Resolution : Yes
• Mass resolution/ Mass resolving power : Resolution 700, 4000, 10,000;resolving power >30,000
• Multicollector : Yes
• Collectors qty : 9 Faraday collectors and 3 SEM detectors
• Sensitivity : Low resolution - ≥ 1500 molecules/ion; High resolution - >120,000 molecules/ion
• Abundance sensitivity : <2 ppm with RPQ lens
• Dynamic range : 13 orders of magnitude
• Detection limits : Sub-ppb detection for trace gases
• Precision : <12.5 ppm external precision for δ13C
• Signal stability, relative standard deviation : <2×10−4/5 min
• Detector type : Faraday, SEM, CDD
• Possible amplifiers : Configurable 10¹⁰ Ω to 10¹³ Ω amplifiers
• Acceleration voltage : 10 kV
• Geometry type : Nier-Johnson double-focusing geometry
• Focusing type : Advanced zoom optics for flexible mass dispersion
• Magnetic sector radius/ angle : 230 mm/90 deg
• Electric sector radius/ angle : 220 mm/ 90 deg
• Cooling system : Water-cooled magnet system
• Vacuum system : Differential pumping system with dry scroll and turbo pumps
• Gas supply: Helium and other gases based on analysis requirements
• Environmental requirements : Temperature: 20–25°C
• Dimensions and Weight: 1555 mm x 2297 mm x 1580 mm; Weight: ~2000 kg