Official DeFelsko Authorised Service Centre (DASC)
As the exclusive UK distributor of DeFelsko since 1998, DFT Instruments is proud to be recognised as a DeFelsko Authorised Service Centre (DASC). This official status confirms that our calibration and repair services meet the exacting standards set by DeFelsko in the USA—delivered locally here in the UK.
For our customers, this means total confidence: your instrument is serviced using genuine parts, certified tools, and factory-approved procedures, carried out by fully qualified technicians.

What Does Being a DASC Mean?
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Factory-Approved Service in the UK – No need to send your gauge abroad. All work is performed locally to DeFelsko’s global standard.
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Qualified Technicians – Our team is fully trained and authorised by DeFelsko.
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Genuine Parts & Certified Tools – Every repair uses authentic DeFelsko components and approved calibration equipment.
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Fast Turnaround – Most instruments are recalibrated or repaired and ready to ship back within one working day of receipt.
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Certified Calibration Included – Every instrument returned comes with a Certificate of Calibration (traceable to UKAS/NIST/PTB) at no additional cost (a $95–$250 USD value).
Calibration Services
As an authorised service centre, DFT Instruments provides:
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Recalibration – Ensuring continued accuracy and compliance with ISO, ASTM, and industry requirements.
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Repair & Diagnostics – Complete troubleshooting and repair using original DeFelsko parts.
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Preventative Maintenance – Helping you avoid downtime and extend instrument life.
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Upgrades & Firmware Support – Keeping your equipment up to date with the latest capabilities.
Why DFT Instruments?
When you send your DeFelsko instrument to DFT, you’re choosing a UK partner that combines local expertise with factory-approved standards.
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Official UK DASC status – recognised by DeFelsko globally.
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UK-based service – no overseas shipping delays or costs.
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Certificate of Calibration included – traceable, audit-ready, and industry-compliant.
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Decades of experience – supporting UK customers since 1998.
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Friendly, local support – talk directly to our technicians before sending your gauge in.
How to Arrange Service
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Try Troubleshooting First – Visit our Calibration & Support page for quick tips.
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Contact Our Team – If the issue persists, call or email our technical support.
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Send Your Instrument to DFT – We’ll recalibrate or repair it, normally within one working day.
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Receive Your Certified Gauge Back – Ready for immediate use, with a new calibration certificate included.
Choosing DFT Instruments as your service partner means you’re not only dealing with the official UK distributor of DeFelsko, but also a recognised DeFelsko Authorised Service Centre.
📞 To arrange calibration or repair, contact our UK service team today on: 01442 879494 or Complete the form.