Closed cy­cle cryo­gen-free cooler

DEMM Engineering & Manufacturing - - PRODUCT WATCH -

A new, low vi­bra­tion pulse tube cry­ocooler that achieves liq­uid he­lium per­for­mance us­ing cryo­gen-free tech­nol­ogy and a closed-loop sys­tem is be­ing in­tro­duced by Ja­nis Re­search.

The Ja­nis Model PTSHI-950LT 1.5K con­tin­u­ous closed cy­cle re­frig­er­a­tor cryo­stat op­er­ates con­tin­u­ously from 1.5K to 300K (450K op­tional) and is a cryo­gen-free, turnkey al­ter­na­tive to liq­uid he­lium

Fea­tur­ing push-but­ton oper­a­tion, in­clud­ing sam­ple tem­per­a­ture ad­just­ment, this top load­ing re­frig­er­a­tor can lo­cate a sam­ple in ei­ther static ex­change gas or vac­uum, and users can eas­ily change it while the sys­tem is op­er­at­ing.

Ca­pa­ble of achiev­ing 1.5K in < 8 hours, the cry­ocooler has a 50.8mm ID sam­ple cham­ber (op­tional to 100mm) and can be de­signed to cus­tomer spec­i­fi­ca­tions.

Ap­pli­ca­tions in­clude neu­tron scat­ter­ing, elec­tri­cal trans­port mea­sure­ments, mag­netic mea­sure­ments, op­ti­cal spec­troscopy, and spintronics.­quiry#D140304b

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