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
• Type of measurable elements: 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 : Negative cesium sputter
• Accelerator voltage : 50 kV
• 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 Requirements and Consumption : 2.5 kW average power consumption
• Dimensions and Weight: 2.6 m x 1.8 m x 1.5 m, 3,000 kg