70 mm Cryostat

Physical Specifications

  • Body diameter: 316 mm
  • Top flange diameter: 347 mm
  • Overall length with insert: 790 mm
  • Sample access diameter (standard): 70 mm

Operating Specifications

  • Standard operating temperature range: 1.3 - 300 K
  • Minimum temperature achievable: 1.25 K
  • Liquid nitrogen hold time: 40 hours
  • Liquid helium hold time: 95 hours
  • Liquid helium evaporation: 45 cc/hr and 55 cc/hr
  • Pump size required versus temperature: 1.4K: 30 m3/hr and 1.25K: 250 m3/hr