Sigma-HSE Winchester process safety laboratory
Sigma-HSE (UK)Winchester, Hampshire
Sigma-HSE (UK) operates physical process safety laboratories in Winchester. The current UKAS 9248 download specifies powder ignition, explosion and combustibility tests plus differential scanning and accelerating-rate calorimetry for reactive chemicals or materials. The schedule allocates testing to Unit 2, Moorside Point, Winchester only. Broader owner-advertised services do not extend this exact scheduled scope.
Reviewed by Arc · About this review
Key facts
- Exact Winchester site
- Unit 2, Moorside Point, Moorside Road, Winall, Winchester SO23 7RX. The owner UK contact, current register and schedule identify this site, and both schedule pages restrict testing to the main address.
- Current downloaded schedule
- UKAS 9248, ISO/IEC 17025:2017, issue 007 dated 14 April 2025. Its two pages specify powder tests and DSC/ARC thermal-stability methods. The issue date remains separate from this review on 1 October 2026.
- Published UK enquiry
- The current owner UK contact publishes +44 1962 840570 and an enquiry form. The April 2025 schedule separately lists Gavin Rogers and grogers@sigma-hse.com. These are dated schedule-listed details without an independently verified present role.
Testing capabilities
Scheduled powder ignition energy and temperature
Powder minimum ignition energy is listed under BS EN ISO/IEC 80079-20-2:2016 and BS EN 13821:2002, marked superseded and withdrawn. Cloud minimum ignition temperature uses Method B in a furnace at constant temperature, while layer ignition uses a heated surface at constant temperature. The temperature rows list BS EN 50281-2-1:1999 and BS EN ISO/IEC 80079-20-2:2016. No numerical temperature or energy range is inferred.
Scheduled powder explosion and combustibility tests
Minimum explosive concentration uses BS EN 14034-3:2006 + A1:2011. Pmax uses BS EN 14034-1:2004 + A1:2011, Kst uses BS EN 14034-2:2006 + A1:2011 and limiting oxygen concentration uses BS EN 14034-4:2004 + A1:2011. Those three rows name an Annex C 20 litre sphere. Dust combustibility lists BS EN ISO/IEC 80079-20-2:2016, section 7.2, using a 20 litre sphere. Separate rows do not establish an apparatus count.
Scheduled differential scanning calorimetry
For reactive chemicals or materials, the schedule lists thermal stability by differential scanning calorimetry under ASTM E537-24, measuring temperature, time and heat-flow. Testing is allocated to the main Winchester address, with no numerical temperature, sample-size or sensitivity limit inferred.
Scheduled accelerating-rate calorimetry
For reactive chemicals or materials, the schedule lists thermal-stability assessment by accelerating-rate calorimetry under ASTM E1981-22, measuring temperature, time and pressure. Testing is at the main Winchester address, with no numerical pressure or temperature capacity inferred.
Equipment and published limits
| Specification | Published value | Conditions |
|---|---|---|
| Powder sphere technique | 20 litre sphere | The schedule names Annex C for Pmax, Kst and limiting oxygen concentration, and a 20 litre sphere for dust combustibility under section 7.2 of BS EN ISO/IEC 80079-20-2:2016. It does not establish sphere count or a general pressure/temperature range. |
| DSC technique | Differential scanning calorimetry, ASTM E537-24 | Scheduled measurement of temperature, time and heat-flow for reactive chemicals or materials. No numerical apparatus or specimen limits verified. |
| ARC technique | Accelerating-rate calorimetry, ASTM E1981-22 | Scheduled measurement of temperature, time and pressure for reactive chemicals or materials. No numerical temperature, pressure or apparatus-count claim. |
Access and contact
Use the current UK enquiry form or +44 1962 840570 to agree a testing programme. The schedule dated 14 April 2025 lists Gavin Rogers and grogers@sigma-hse.com as an additional route, without independent present-role verification. Confirm sample material, required method, quantities, preparation, handling, reporting, cost and dates. The owner’s response aim does not guarantee a response or booking, and no unrestricted site access is established.
Facility contact
- Address
- Unit 2, Moorside Point, Moorside Road, Winall
Winchester, Hampshire, SO23 7RX
United Kingdom - Telephone
- +44 1962 840570
- Website
- Official test house website
Standards and accreditation
- UKAS 9248, ISO/IEC 17025:2017
- Current downloaded issue 007 is dated 14 April 2025 and allocates testing to the Winchester main address only. Accredited claims follow its exact powder and thermal-stability rows, without extending to all owner-advertised testing, consultancy or global offices.
- Powder ignition, explosion and combustibility methods
- BS EN ISO/IEC 80079-20-2:2016 and BS EN 50281-2-1:1999 apply to the stated ignition rows. BS EN 13821:2002 is marked superseded and withdrawn. Explosion rows use BS EN 14034-1:2004, -2:2006, -3:2006 and -4:2004, each with A1:2011. Dust combustibility specifies section 7.2 of BS EN ISO/IEC 80079-20-2:2016 and a 20 litre sphere. Agree the exact test and version.
- Reactive chemical or material thermal stability
- ASTM E537-24 for DSC measurement of temperature, time and heat-flow. ASTM E1981-22 for accelerating-rate calorimetry measurement of temperature, time and pressure. These are exact scheduled methods, without inferred numerical ranges.
What to confirm with the facility
- Confirm the exact powder test, standard version and preparation. The schedule retains BS EN 13821:2002 with a superseded and withdrawn label. The 20 litre sphere is allocated to particular dust methods and separate rows do not establish apparatus counts.
- Confirm DSC or accelerating-rate calorimetry requirements and numerical temperature, pressure, sensitivity and specimen limits directly. The published schedule names techniques and measured variables without those ranges.
- Confirm the scope and accreditation for any broader gas, vapour, electrostatic, transport-classification or consultancy work. Owner advertising and other global offices do not allocate additional methods to the exact Winchester schedule.
- Provide the sample composition and condition, required method, quantities, handling hazards, preparation, reporting needs and preferred dates. Agree delivery, disposal, site access and costs with the provider.
Before requesting a test
Public information not available. Contact test facility provider for more information.
Frequently asked questions
Public information not available. Contact test facility provider for more information.
Related testing facilities
Public information not available. Contact test facility provider for more information.
Further reading
Public information not available. Contact test facility provider for more information.
Sources and review
Reviewed by Arc on 1 October 2026 in Europe/London using five fresh official owner and UKAS captures. Current register 9248 and the downloaded issue 007 dated 14 April 2025 identify Unit 2, Moorside Point, Moorside Road, Winall, Winchester SO23 7RX. Both complete PDF pages were visually inspected, including address-only allocation, precise powder-method versions and amendments, the printed superceded and withdrawn label, assigned 20 litre sphere rows, DSC ASTM E537-24 and accelerating-rate calorimetry ASTM E1981-22. No apparatus count, combined or numerical capacity was inferred. Current owner phone and enquiry form are retained, with Gavin Rogers/email labelled as April 2025 schedule-listed without a present-role claim. Protected owner/register emails were not decoded, and the placeholder phone in about-page JSON-LD remains source-only. Original PDF creation/modification timestamps are 29 April 2025. Owner modification metadata is 3 August 2026, contact 2 September 2026 and about 3 September 2026, with no public publication dates verified for those pages. Register-template dates, business history, ratings and credential dates remain separate from the review. Original titles, canonicals, JSON-LD, bodies, headers, extraction, two complete-page images, font configuration, stderr and provenance are retained. The prior schedule is raw-byte identical, while prior owner, about and contact bodies differ and remain preserved. Broad global services, opening hours, ratings and postcode coordinates are not transferred into local guide or schema fields.
Arc publishes this directory entry and does not operate the test facility. Suggest a correction to Arc with a supporting source.
Sigma-HSE - Your Process Safety Partner Of Choice
Owner identifies UK laboratories for dust, flammable gas/vapour and reactive-chemical hazards. Broad global consultancy, advertised testing, response times, credentials, reviews, coordinates and opening hours are not transferred into exact Winchester scope. The current UKAS schedule controls accredited methods. Owner email appears protected in visible HTML and is not decoded.
About Us | Sigma-HSE - Your Process Safety Partner Of Choice
Owner describes dust-flammability and chemical-reaction-hazard/thermal-screening laboratories. The exact UKAS schedule determines local accredited methods. Business history and global offices are context. A placeholder phone and employee titles in JSON-LD are retained only as original metadata, without contact or present-role inference.
UK/Europe section publishes Unit 2, Moorside Point, Moorside Road, Winchester, Hampshire SO23 7RX and +44 (0)1962 840570, with an enquiry form. Separate US/India offices are not local sites. The 24-hour response aim is not a guarantee. Protected email is not decoded.
Search UKAS accredited organisations
Exact current Sigma-HSE (UK) testing result 9248 identifies Unit 2, Moorside Point, Moorside Road, Winall, Winchester SO23 7RX, owner website and telephone. Protected email is not decoded. Selector names and unrelated news dates do not define testing scope.
Current download issue 007 dated 14 April 2025, both complete pages visually inspected. Testing is at the Winchester address only. Exact powder ignition/explosion/combustibility rows and DSC/ARC thermal-stability methods are retained. The 20 litre sphere is named for specific dust rows, without apparatus-count inference. BS EN 13821:2002 is labelled superceded, withdrawn. Gavin Rogers and grogers@sigma-hse.com are dated schedule-listed contacts without an independently verified present role.