TritonTM200 and 400 Cryogen free dilution refrigerator

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10 mK base temperature without the need for liquid helium.

200 or 400 µW cooling power at 100 mK
Large sample space experimental platform
Wide range of experimental services offered
Low vibration pulse tube refrigerator
Compatible with integrated superconducting magnet systems up to 15 T

Oxford Instruments publishes a paper in Cryogenics on the integration of superconducting magnets with cryogen-free dilution refrigerators systems

Download the article here>>

Why choose Oxford Instruments for your next purchase?

Oxford Instruments NanoScience(OINS) has a track record of successful installations with over 50 Cryogen free dilution refrigerators worldwide. More >>We offer the leading choice of models in the market: In 2009, Oxford Instruments manufactured the world's first 400 microwatts at 100 mK cooling power Cryogen free dilution refrigerator with an integrated 8T magnet using a single 1 W pulse tube cooler. In total Oxford Instruments has delivered nine Cryogen free dilution refrigerators with integrated magnets. This includes 3 T, 5 T, 8 T and 12 T systems. All systems have met or exceeded factory specifications.

Sample configuration
Wiring options
Operation
Applications
Images

Low temperature insert	Low vibration Pulse Tube Refrigerator and compressor Independent precool loop Kelvinox dilution unit 2 x NW40 Line of site ports 1 x NW50 Line of site port 240 mm diameter x 240 mm length sample space Diagnostic thermometry Plain tail
Gas Handling system	Fully automatic gas handling Software control Turbo pump Dry rotary pump Condensing line compressor Electrical isolation
Superconducting magnet	3 T, 77 mm cold bore 8 T, 57 mm cold bore 12 T, 57 mm cold bore 15 T, 57 mm cold bore 0.1% homogeneity over 10 mm DSV Superconducting switch available Quench protection circuit HTS current leads Vector rotate magnets available on request
Optional items	1W Pulse Tube Refrigerator Remote rotary valve Remote pumping station LN2 precool loop Optical tails X-Ray or Neutron tails Tails to suit room temperature bore magnet system DC & RF customer wiring RF heat sinking Sample thermometry

VPT100	24-way constantan loom
VPT110	24-way copper/supercon loom
VPT210, 220, 230	4 off, 8 off, 12 off S1 coax
VPT300, 310, 320, 330	2 off, 4 off, 8 off, 12 off UT85-SS-SS semi-rigid coaxial cables wired to the mixing chamber
VPT305, 315, 325, 335	2 off, 4 off, 8 off, 12 off UT85-SS-SS semi-rigid coaxial cables wired to the Still plate. UT85-Nb-Nb semi-rigid coaxial cables wired from the Still plate to the mixing chamber.
VDRUT4K	2 x UT85-SS-SS semi-rigid coaxial cables wired to the PT2 plate. Unwired from PT2 plate to mixing chamber
VDRHEATSINK	Bulkhead feedthrough heat sinking at each temperature stage for all UT85 coaxial lines
VDRATTENUATOR	3, 6, 10 or 20 dB attenuators fitted at PT1, PT2 and Still temperatures
VDRSMA	All UT85 coax terminated using SMA connectors at room temperature and low temperatures
VDR40GHZ	All UT85 coax terminated using 2.4 mm connectors at room temperature and low temperatures
VDRSMB	All S1 coax terminated using SMB connectors at room temperature and low temperatures
VDRSSMC	All S1 coax terminated using SSMC connectors at room temperature and low temperatures

Assembly of all heat shields before evacuation can be done in less than 10 minutes. A closed pre-cooling cycle is employed to cool the dilution unit, so that no exchange gas is needed. Sealing of the single vacuum is done with normal O-rings. The system is fully automated and remote operation is a standard feature. Cool down to base temperature can be achieved within 24h at the touch of a button.