Our UKAS Laboratory

A Superior UKAS Calibration Centre

At ETI, service excellence is at the very heart of our UKAS Calibration operations. We strive to go above and beyond for all 

our customers, delivering high quality, consistent and reliable calibration and certification services. That doesn’t just mean meeting expectations. It means ensuring that, from start to finish, every aspect is carried out in a superior manner. Between quick turnaround times, eliminating uncertainty, carrying out repairs with our unique advantage as a manufacturer, and offering a fair price for the work being carried, its important to us to deliver market leading results that leave positive and lasting impressions.

UKAS Humidity Calibration

With an in-house humidity laboratory, equipped with two of the world's leading humidity chambers and a high accuracy mirror hygrometer, ETI is highly experienced in delivering world leading humidity calibration services.

UKAS Temperature Calibration

Temperature measurement is vital to the safety and quality of many products. With a range of UKAS-accredited temperature calibration equipment and services, ETI is perfectly placed to ensure your critical thermometers and probes work reliably.

Bespoke Calibration Services

ETI is the flexible calibration partner of choice. Our experienced professionals provide bespoke calibration services and UKAS certification for all thermometers and probes, not just our own. Tell us what you need certifying, and we will deliver.

UKAS Laboratory FAQ

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The United Kingdom Accreditation Service (UKAS) is the United Kingdom’s lone National Accreditation Body. Mandated by the government, its responsible for the assessment of organisations that provide conformity assessment services such as certification, testing, inspection, calibration and verification against national and international standards.

It is Government policy to recommend the use of UKAS accredited conformity assessment services whenever this is an option. UKAS essentially ‘checks the checkers’. Indeed, those that achieve UKAS accreditation have demonstrated their competency, impartiality and performance capability as an evaluating party. 


Source: UKAS

ETI currently holds ISO 9001:2015 Quality Management System (accredited by BSI), and ISO 17025:2017 Temperature and Humidity (accredited by UKAS).

Whilst we are not accredited to any HSE ISO standards specifically, we have a Nebosh qualified Health and Safety officer and experience safety team actively encouraging safe practices. This team is also responsible for monitoring our environmental impact and obligations under WEE and Waste Battery regulations.

 

UKAS ISO 17025 accreditation is the single most important standard for calibration and testing laboratories around the world. Being an ISO 17025 accredited laboratory demonstrates that we are technically proficient and able to produce precise and accurate test and calibration data. This goes hand in hand with research and development when creating and producing a new product, as it enables us to gain accurate and consistent production level calibrations on every single thermometer produced by ETI.

This is a continual exercise. Critical equipment is routinely checked in house using international standards such as gallium, triple of water and other fixed cells to ensure its reliability, with equipment of greater importance checked more frequently. There is also necessary auditing and training exercises to ensure adherence to the laboratory standard (17025:2017). Part of being an accredited laboratory is having clear documentation showing that this maintenance takes place and how it is then put into action.

One of the biggest changes we have made was investing in more temperature baths. This has allowed us to better manage the quantity of work we are now receiving, as well as granting us more flexibility when carrying out work at points that differ from our usual standard five.

Another aspect we worked on is being able to deliver a better uncertainty of measurement with our lower range of temperature (down to -80°C), as we now have more space to work. Simply we were able to invest in better equipment to carry out the work we were already doing.

 

When a thermometer undergoes calibration, its readings are checked against a reference thermometer. The reference thermometer must have already had a calibration test using an even higher standard than the one currently being done.

Every time a device has a calibration test using a thermometer that has been calibrated to a higher standard, it forms a chain. When this chain is unbroken and leads back to the highest-level reference thermometer in a national calibration centre (or equivalent) it becomes traceable.

A traceable certificate means that your thermometer has been tested against a reference thermometer within the traceability chain. This is often satisfactory for EHOs and other inspectors who may want to check your calibration procedures during visits.

A UKAS certificate means that your thermometer has been tested in a UKAS accredited laboratory. This will give you additional peace of mind that your thermometer has been calibrated using the highest standards within the UK.

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