ITT_123111 - Cryogen Free Josephson Junction (JJ) Voltage System

Amounts and figures

Description

The National Physical Laboratory (NPL) requirement is for a complete primary voltage calibration system built around a Josephson array quantum standard. The purpose is to move away from the current generation of standards that use liquid helium to cool the sample to one that is liquid cryogen-free with the aim that no liquid helium should be required for either cool-down or routine operation, and hence the system should be capable of continuous operation for periods of at least several months. The system should be capable of providing: SI traceable DC voltages up to 10 V, with an uncertainty better than 1 nV/V. software to run the system and automate the calibration of standards. the capability to generate AC voltages up to a few kHz. To express interest in this tender please use the following URL: https://lupc.bravosolution.co.uk/web/login.shtml and search for 'ITT: itt_2533 - ITT_123111 - Cryogen Free Josephson Junction (JJ) Voltage System'

Official publications

• ITT_129557 - Evaluation of the National Timing Centre R&D Programme (2019-25)
  Published: 19 March 2025
• RFQ_128875 - Study on Better Evidencing Impacts Attributable to NMS Laboratories' Work in Nanomedicines
  Published: 18 February 2025
• Study on Better Evidencing Benefits Attributable to NPL's Work in Radiotherapy
  Published: 18 February 2025
• RFQ_128938 - Evaluation of NPL Quantum Programme
  Published: 18 February 2025
• RFQ_128875 - NMS Survey for Healthcare Users
  Published: 18 February 2025
• RFQ_128032 - Bibliometric Assessment of the National Physical Laboratory's (NPL) Research Output
  Published: 18 February 2025
• ITT_121341 - Cryo-free QHR Fridge
  Published: 10 February 2025
• Cryogen Free JJ Volt System
  Published: 27 January 2025
• Laboratory building construction work (Building 47) for the National Physical Laboratory
  Published: 13 December 2024
• SRS Laser Replacement
  Published: 27 November 2024

Previous and next from National Physical Laboratory

• ITT_129123 - Replacement of the Processed Chilled Water System in the AQML — 11 November 2024
• ITT_121341 - Cryo-free QHR Fridge — 1 November 2024
• Cryo-free QHR Fridge — 1 November 2024

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Frequently asked questions

What is the deadline to bid for this tender?

The submission deadline is 11 February 2025, 15:00. Check the official source, as dates can be modified.

What is the estimated value of this tender?

The estimated value published by the buyer is £350,000.

Who is the buyer of this tender?

The contracting authority is National Physical Laboratory (United Kingdom).

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