LEA

AMS system for radiocarbon dating and isotope ratio analysis. Features patented helium stripping technology and a 50 kV accelerator. Optimized for small space requirements and high measurement stability.

• Status: Active
• Country: Switzerland
• Isotopic: Yes
• Analyte Type / Target Of Analysis: Radiocarbon and cosmogenic nuclides
• Measurable Isotopes/Elements: Radiocarbon (¹⁴C) primarily
• Analyzer Type
  : Accelerator MS
• Ion Source Type: Hybrid cesium negative sputter ion source for solid and gas samples
• Inlet Types: Solid and gas sample handling with a random-access sample changer
• High Resolution
  : Yes
• Sensitivity
  : High sensitivity with helium stripping achieving >50% transmission
• Abundance Sensitivity
  : High, supporting isotopic precision for radiocarbon analysis
• Detection Limits
  : Dating back to >50,000 radiocarbon years
• Precision
  : 0.2% or better for ¹⁴C/¹²C and ¹³C/¹²C ratios
• Detector Type
  : Low-noise gas ionization detector
• Primary Beam [AMS]
  : Negative cesium sputter
• Geometry Type
  : Tandem geometry with vacuum-insulated accelerator.
• Focusing Type
  : Electrostatic focusing
• Cooling System
  : Air-cooled
• Vacuum System
  : Vacuum-insulated accelerator with maintenance-free operation
• Gas Supply: Helium stripping gas
• Power Specifications: 2.5 kW average power consumption
• Physical Specifications: 2.6 m x 1.8 m x 1.5 m, 3,000 kg