Cryogenic Sample Changers
13 Oct 2009
Yes
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No
No
 
No
No
 
 

To optimise the high neutron flux and rapid data collection rates several instruments have custom-built automatic Sample Changers, (SCs). Their prime advantage being that multiple samples can be loaded in a single operation.

No
Sandals Sample Changer for Water Bath
 

The sample changers are normally controlled by Command Files which will have been programmed to automatically place the pre-loaded samples in a particular sequence.

Tosca Sample Changer
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The Tosca cryogenic sample changer can be used in the Tosca Duplex CCR cryostat and can accommodate up to 24 flat-plate sample containers and can operate down to 20K.  The containers are hung from a series of rods which link across 2 transport chains.

Sandals Sample Changer
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The Sandals sample changer can accommodate up to 15 samples, it can be attached to a Julabo FP52 water bath which uses a 50% ethylene glycol-water mixture and is able to maintain constant temperatures in the range -5°C to 110°C.

Iris 3 Position Sample Changer
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The Iris three position sample changer can be used on Iris and can accommodate three samples up to 40mm by 40mm, down to a temperature of 4K.

Parachute Sample Changer
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The parachute sample changer utilises a robotic arm and samples attached to 3D printed parachutes to quickly cycle through large numbers of samples, which can be up to 40mm in length and 6.4mm in diameter.

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