UKAS Calibration / Validation

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In today’s increasingly regulated environment, the need to demonstrate on-going compliance with quality and safety standards is becoming part of life in the laboratory.

To provide you with 100% confidence in your processes and ensure your equipment and procedures will stand up to scrutiny, DWS offers UKAS calibration and validation services for heat sterilisation equipment, temperature-controlled processes, temperature indicators and non-automatic weighing machines.

This flexible onsite and offsite service is undertaken by our team of experts who will take the time to explain the work they carry out. If you are a service contract customer, we can schedule your UKAS calibration/validation work to take place at the same time as routine servicing to save you the cost of call outs and project delays.

DWS is accredited by UKAS to BS EN ISO/IEC 17025:2017 for:

  • Temperature calibration within the range -80°C to 140°C
  • Non-automatic weighing instrument calibration within the range 0-9kg

Calibration 2017 with Russell and Sara

Temperature Mapping

Since the introduction of ISO 15189:2012 ‘Medical Laboratories – Requirements for Quality and Competence’, which has replaced the Clinical Pathology Accreditation (CPA), we have seen a large increase in the number of laboratories seeking temperature mapping services for their anaerobic workstations. In order to comply with this new clinical standard, laboratories must have a documented procedure for the calibration of equipment that directly or indirectly affects examination results. Don Whitley Scientific is UKAS accredited to undertake this type of work and will supply certification for any equipment tested: one less task for laboratory management to be concerned with.

Even if your laboratory doesn’t operate to ISO 15189 or UKAS accreditation standards, the cost of our calibration/validation is comparable with that of standard calibration and demonstrates your on-going compliance with internationally recognised quality standards. This added peace of mind could be a very shrewd investment.

Don Whitley Scientific’s service and maintenance portfolio offers a temperature mapping / temperature profiling service. This service has been employed by laboratories across all sectors to determine incubator and refrigerator performance.

We provide time and temperature calibration and validation services on a range of laboratory equipment, including anaerobic chambers and gloveboxes,  incubators, ovens and fridges or freezers using up to 12 thermocouples.

Non-Automatic Weighing Machines

We are also accredited for the calibration of non-automatic weighing machines, such as gravimetric diluters and balances – total combined weight up to 9kg.  Calibration will give you confidence in the ability of your weighing equipment, ensuring that drifts have not occurred for any reason and that the device is working correctly. It will also ensure that inaccurate weighing is not causing unnecessary costs for your organisation and continue to be both efficient and economical.

Whilst other companies may be able to claim a similar service provision, our service engineers are not only highly trained to perform calibration/validations, they are also trained by the manufacturers to maintain and repair a range of laboratory equipment. We have engineers based throughout the UK so we can usually respond rapidly to requests. We also consider ongoing training a necessary part of an engineer’s role and, to facilitate this, have bespoke training facilities at our headquarters in West Yorkshire.

Why not arrange your calibration at the same time as your annual service? This will save you money and reduce downtime in your lab. We also offer multi-service and multi-product discounts to make our service as cost-effective as possible.

UKAS Weight Calibration

Let us provide the verification that your temperature-controlled processes and non-automatic weighing machines are functioning correctly. We’ll perform the relevant calibrations and provide the paperwork required for audit purposes so you can be confident in your equipment.

What equipment can we calibrate?

  • Autoclaves
  • Media preparators or media sterilisers
  • Fridges
  • Ovens
  • -80°C Freezers
  • Water baths
  • Incubators
  • USB Temperature loggers
  • Temperature indicators
  • Gravimetric diluters
  • Balances

UKAS stopwatch

Our certificate is available to view by clicking here.

To view our schedule on the UKAS website please go to the UKAS website

UKAS Accreditation Symbol


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