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HHFTVF Spectropyrometer Purchase

United Kingdom Atomic Energy Authority

This public procurement record has 1 release in its history.

Planning

23 Jul 2026 at 12:01

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

UK Atomic Energy Authority intends to purchase a specialised spectropyrometer, classified as a pyrometer, for the HHFTVF high heat flux test facility. The equipment will measure the surface temperature of metallic samples heated primarily, though not exclusively, by induction inside a vacuum vessel. It must provide non-contact measurement through a vessel window and operate where the surface emissivity is unknown, changes with temperature or wavelength, varies with surface finish, or changes over time. Crucially, the instrument must determine surface temperature without requiring the user to enter an emissivity value. The equipment will support high-temperature testing at the Authority’s facilities in the UK, with the buyer based at Culham Science Centre, Oxfordshire.

This procurement is at the planning stage: the buyer has stated an intention to procure and has not issued an invitation to tender. It is expected to use a tender procedure under the UK Procurement Act 2023, with one planned lot and a goods classification. The estimated value is £41,450 excluding VAT, or £49,740 including VAT. The anticipated contract period is from 2 September 2026 to 26 July 2027. The buyer expects to publish the next notice on 31 August 2026. Preliminary market engagement is scheduled to take place by 25 August 2026, giving prospective suppliers an opportunity to help inform the developing requirement before the procurement reaches the market.

The requirement is likely to suit specialist manufacturers, distributors and technical resellers of spectropyrometers, pyrometers or advanced non-contact temperature measurement equipment. Relevant suppliers should be able to demonstrate that their systems can measure temperature accurately without relying on a user-supplied emissivity value, including for surfaces whose emissivity is uncertain or changing. Experience supporting high-temperature materials testing, vacuum environments, induction-heated samples and measurement through viewing windows would be directly relevant. Suppliers should prepare technical evidence covering measurement performance, uncertainty, operating range, integration with a high heat flux test facility and suitability for metallic samples. Businesses with applications engineering, commissioning, calibration and technical support capability will be well placed to respond when the requirement reaches the market.

How relevant is this notice?

Notice Information

Notice Title

HHFTVF Spectropyrometer Purchase

Notice Description

The HIVE facility uses a unique spectropyrometer, that measures surface temperature without emissivity data and includes uncertainty. We seek another for the HHFTVF facility. This equipment is to be used on a high heat flux test facility which primarily, though not exclusively, uses induction heating to heat metallic samples in a vacuum. The equipment is required to provide a non-contact temperature measurement through a window of the vacuum vessel. The key point is that for the surface of interest, the emissivity, emissivity profile with temperature/wavelength/surface finish etc. is unknown and/or spatio-temporally changing. The equipment needs to measure surface temperature without the emissivity being inputted by the user. We need this as typical non-contact temperature (thermography) measurements require accurate knowledge of the emissivity of a surface to provide an accurate temperature measurement, but we do not have this information for the surfaces of interest. A detailed list of requirements can be seen in the attached documents, which can be downloaded for viewing.

Planning Information

https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=107324&TID=100112411&B=

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06d1ae
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/069623-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

38 - Laboratory, optical and precision equipments (excl. glasses)

CPV Codes

38413000 - Pyrometers

Notice Value(s)

Tender Value
£41,450 Under £100K
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
23 Jul 20262 months ago
Submission Deadline
Not specified
Future Notice Date
31 Aug 2026Expired
Award Date
Not specified
Contract Period
2 Sep 2026 - 26 Jul 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
United Kingdom Atomic Energy Authority
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
OXFORDSHIRE
Postcode
OX14 3DB
Postcode Area
Oxford
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
TLJ South East (England)
Local Authority
South Oxfordshire
Electoral Ward
Sandford & the Wittenhams
Westminster Constituency
Didcot and Wantage

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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