[559] Two (2) 3He/4He Dilution Cryostat Inserts

Tender notice

Public notice: This is a public call for tenders.

Design and manufacture two (2) 3He/4He Dilution Cryostat Inserts (two identical examples). The Dilution Insert will be used for neutron scattering experiments with temperatures below 1 K on a wide range of instruments as part of the sample environment pool equipment. Each dilution insert will operate in conjunction with a top loading "wet" 4He-type cryostat or cryomagnet equipped with a variable temperature insert (VTI). The scope of delivery consists of: • Two systems of the dilution insert in the temperature range down to 50 mK. • Each system contains the dilution cryostat insert and the remotely controllable 3He gas handling system, including 2 LN2 cold traps. • 3He/4He mixture must be provided • All electronic devices for the measurement and control of the dilution stick temperature, 3He/4He gas handling parameters, and the environmental cryostat system shall be capable of remote operation. • Full documentation, drawings and source code. Delivery by 30 November 2026 or earlier.

Please note that the last date for submitting tenders has passed and no more tenders are being accepted.

Final day for submitting

2025-11-27

Last date for asking questions has passed.

Tender valid until

2025-12-31

Deadline for submitting your tender

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