DIL2

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RemoveMixtureDIL
DilSampleMounting
DilutionCryostats
EarlierProgress

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Oxford Instruments Kelvinox Dilution Insert DIL2

DIL2 was aquired in 2006, mainly financed by the "SNF Förderungsprofessur Michel Kenzelmann". It is equipped with a weak link, allowing access to the range 1...2 K without removing the mixture.

DIL2 Sample mounting

used in MA15MA11MA02MA09
sample space diameter [mm] 171723.645
max. sample diameter [mm]d14*14*2240
distance from M6 thread to beam center [mm]
adjustable by about +- 10 mm		a515197194
allowed size below beam center [mm]b32326024**
(*) The maximum allowed size depends on the distance to the next spacer, which is larger when using the weak link. Please contact Markus Zolliker for designing sample holders larger than 14 mm in diameter.
(**) Slightly higher values might be acceptable on request.

On the mixing chamber as well as at the end of the sample holder there is an M6 hole. The sample holder has normally a length of m = 245 mm.

DIL1/dilGeometry.gif

Problems with DIL2

  • The weak link was too weak, and there was no spacer on it. We have shortened the weak section and put a spacer above it.

  • The gauges G1 and G2 do not work reliably. As a workaround, the (earlier unused) G3 gauge has now a connection to the beam dump.

Anleitung in Deutsch (nur Intranet)

Preparing DIL

Condense Mixture

Remove Mixture

Warming up

Sensor Calibration

The calibration curve in the FemtoPower system from Oxford Instruments is generic. For more precise values use the table below.
DisplayMix.Ch.
0.0400.042
0.0600.063
0.0800.084
0.1000.105
0.1500.156
0.2000.206
0.3000.306
0.4000.404
0.6000.600
0.8040.800
1.01 1.00
1.52 1.50
2.03 2.00
3.04 3.00
4.02 4.00
5.00 5.00

Attachments:  dil2Open.jpg  GasHandling.jpg  dil2.jpg 
This particular version was published on 03-Mar-2011 13:29:15 UTC by MarkusZolliker.