HomeAboutContactCryomagnetics.com  

LHe-COOLED, 200µW @ 100mK, 20mK Base

Model: RDR-JT-S-200-20

Base temperature guaranteed less than 20mK
Cooling power at 100mK guaranteed greater than 200µW

Inverted (Reversed) Dilution Refrigerator – Easy, Clear Access at Top
for large sample cooling

Typical dimensions:

  • 150mm diameter X 150mm high sample holder

Special Features:

  • Short distances between 20mK and higher temperature plates makes for a very compact design
  • Six (6) access ports of 30mm diameter each
  • Joule Thomson exchanger (replacing a separately pumped bath condenser)
  • Exchangeable connector plates on experiment lines

Optional Features:

  • Also available in 30 and 100 µW models with base temperatures < 10mK
  • CRYOGEN-FREE designs available
  • 1K pot for heatsinking of wiring or can be used for experiments at 1K
  • Special access and/or line of sight ports
  • Custom sample holder
  • Thermometry from 8mK to 4.2K
  • Remote controlled Gas Handling System (GHS)

Typical applications include optical and bolometer work.

Sample holder

Access ports

Temperature measurement is made with a TRMC2 controller and RuO2 thermometer calibrated by Nuclear Orientation. The temperature sensor is located in vacuum on the mixing chamber plate.

Download pdf drawing

Reference customers