Leading UK Calibration Provider

Test equipment calibration is one of the most important parts of your tester's life cycle - it ensures that the tester you are using is working with the manufacturer's specified capabilities and is generating accurate, reliable results.

At PASS, our UKAS-accredited* calibration laboratory is able to calibrate a huge range of equipment ranging from electrical testers such as multimeters, PAT testers and multifunction testers to a wide variety of other testers and tools including pressure equipment, crimp tools, sound meters, weights/scales and much more.


From New
Cost (Ex VAT)
Cost (Ex VAT)
3 Day

PAT Testers

£25 £59.50 Yes

Multifunction Testers

£25 £65 Yes

Clamp Meters

£20 £35 Yes



From £49.50


Flue Gas Analysers

Please Call Please Call -


From £45 From £45 Yes


To find out more and see our full capabilities:

Call 01642 626144

Visit Calibrate.co.uk

Why Choose PASS?

Calibrate.co.uk is a bespoke instrument calibration and repair website for Tester.co.uk. As part of the PASS group you can expect the same great service you always get when working with PASS.

Whether you have 1 instrument or 10,000, we can help:

  • UKAS accredited laboratories (ISO/IEC 17025:2005)*
  • Fast, secure, service with minimal downtime for you
  • Fully traceable calibration from experienced engineers
  • Official repair centre for many leading brands



Collection & Returns

We aim to be as flexible as possible with our standard courier and trade counter service as well as our on-site and managed services, carried out by our own fleet of vans.

We offer a free UK collection of over 10 items*, or:

  • Collection & Return for £30 Ex VAT
  • Drop-off Point & Return for £30 Ex VAT
  • Return Only for £15 Ex VAT
  • Trade Counter

    *NEW* Free in-your-area collection
    For select postcodes of non-residential addresses, no minimum quantity. Use our quick check form to see if you are eligible.

Collections and deliveries are made via insured courier or our own insured vehicles, for your protection.


Asset Management Portal

Manage all of your assets across multiple estates and multiple users. Designed specifically for large businesses, everything can all be accessed through a desktop computer, mobile or tablet.

Keep track of your assets in one place:

  • Complete asset overview with full history
  • Scheduled calibration reminder emails
  • Tracking from request and service to drop-off
  • Management of multiple users/locations
  • Calibration compliance analysis across estates

To find out more and see our full capabilities:

Call 01642 626144

Visit Calibrate.co.uk

*Terms and Conditions

'3-Day-Turnaround' Service:

  • Payment must have been provided upon receipt of the item
  • Any relevant paperwork must be completed correctly
  • Supporting accessories must also be included e.g. leads. clamps, etc
  • Instruments will be dispatched within 3 full working days of receipt by us at our calibration laboratory
  • Orders containing more than five instruments are excluded
  • Excludes repairs and instruments found to be faulty or that fail calibration
  • Working days only. Excludes bank holidays, weekends and Christmas holidays
  • We reserve the right to remove this service at any time

UKAS Schedule:

Free UK Collection Over 10 Items:

  • Only available if you have over 10 items (in one consignment) for collection or repair

Subscribe to our Newsletter

International Enquiry