The LT4-DMX-1AL is our lowest cost liquid flow cryostat for optical and electrical experiments.

The LT4 works with either liquid helium or liquid nitrogen. The LT4 utilizes a standard transfer line and cold tip. If you need lower vibrations, take a look at the high performance LT3-WMX-1.

 

Applications

  • Optical: UV, VIS, IR
  • Electro-optical
  • Magneto-optical
  • Resistivity/Hall effect
  • High frequency electrical
  • Diamond anvil cell
  • DIP
  • Liquid samples
  • Non-optical
  • Thermal
  • Electrical
  • Magnetic susceptibility
  • Matrix isolation
  • Mossbauer

 

Features

  • Liquid helium flow
  • Low cost aluminum construction
  • Large, clear-view optical windows (1.25 in)
  • Large sample viewing angle for optical collection (F/1)
  • 4.2 K liquid helium operation
  • 0.75 LL/hr liquid helium consumption at 4.2 K
  • Liquid nitrogen comparable (77 K operation)
  • Fully customizable

 

Helium Flow Cryostats

Model type
    • Cold head (LT4-DMX-1AL)
    • Liquid helium transfer line
    • Bolt on aluminum instrumentation skirt
    • Dewar adapter
    • Low cost aluminum vacuum shroud for optical and electrical experiments (DMX-1AL)
    • Aluminum radiation shield
    • 2 high purity quartz windows
    • Instrumentation for temperature measurement and control:
      • 10 pin feedthrough
      • 36 ohm thermofoil heater
      • Silicon diode sensor curve matched to (± 0.5 K) for control
      • Silicon diode sensor curve matched to (± 0.5 K) with 4 inch free length for accurate sample measurement
    • Wiring for electrical experiments:
      • 10 pin feedthrough
      • 4 copper wires
    • Sample holder for optical and electrical experiments
    • Temperature controller