7400 OPTION, CRYOSTAT

Cryostat, variable temperature LN₂ and LHe (741-VTA must be ordered separately; supplemental equipment requirements are: 1220-50 or equivalent liquid nitrogen Dewar (cryogens not included) and/or LHe cryogens and Dewar, LN₂ and/or LHe gas cylinder and regulator, and TPS-FRG compact turbo pumping system providing cryogen transfer line blankoff pressure of 10⁻⁴ Torr and sample space blankoff pressure of 5 × 10⁻³ Torr)