VG 5400

Retired magnetic sector noble gas mass spectrometer with a multi-collector detection system.

• Status: Discontinued
• Country: UK
• Isotopic: Yes
• Type of measurable elements: Noble gases
• Measurable isotopes/elements: Isotopes of He, Ne, Ar, Xe
• Analyzer type : Magnetic Sector MS
• Ion source type: Electron impact
• High Resolution : Yes
• Mass resolution/ Mass resolving power : >600 (10% valley definition)
• Multicollector : Yes
• Collectors qty : 2 (1 Faraday detector and 1 ion counting multiplier)
• Detector type : Faraday and discrete dynode electron multipliers
• Possible amplifiers : 10¹⁰ Ω resistor
• Geometry type : Double-focusing geometry
• Focusing type : Ion focusing with optimized electrostatic and magnetic components
• Magnetic sector radius/ angle : 20 cm radius; 90° deflection
• Electric sector radius/ angle : Not explicitly mentioned
• Vacuum system : Turbo molecular and ion-getter pumps with bake-out capability
• Gas supply: High-purity noble gases