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Latest News

Calserv offers a low cost ice-point calibration bath

Calserv offers calibration of Specials

Calserv offers averaging probe calibration

Calserv can offer UKAS calibration down to -90°C and at -196°C

Calserv offers IRTD KAYE probe calibration




















Calibration Services (Calserv) Ltd is a UKAS accredited Temperature Calibration laboratory (UKAS lab number 0794) providing our customers with premium and efficient temperature services in temperature calibration, training, consultancy and design.


Calserv specialises in all types of calibrations for regulatory bodies including NADCAP, FDA, & MHRA Calserv is traceable to NIST & NPL. Calserv uses the highest specification temperature calibration equipment to achieve the greatest accuracy, which we maintain with regular cross checks & over determination.
Calserv calibrates a wide range of products that include Kaye equipment, thermocouples, platinum resistance thermometers etc.
Please click the link above to see the most popular products we calibrate.


Calserv offers a choice of 1 or 2 day courses in temperature, pressure, humidity, density and uncertainty courses tailored to suit your needs.
All our courses are practical with seminars structured to educate and help people understand temperature related problems, including measurement & control.
Courses can be conducted at the location of your choice. Please contact us for more details
Free self learn training modules to try out.


Calserv can provide guidance on laboratory setup to accredited or non accredited standards.
We also provide an auditing advice service, which provides you with solutions to eliminate non conformances arising from external audits.Staff proficiency testing can also be provided.
Click this link to read an article Calserv recently wrote on how to solve problems with thermocouple installations


Unique to Calserv we are able to offer a range of exciting new products. We have developed many of our latest products with our customers, to provide them with unique solutions to their temperature problems. Please contact us to see if we can offer you a solution to any temperature related problems.

Gwynedd Council logo

"Certain projects undertaken at Calserv have been part financed by Gwynedd Council and the Welsh Assembly Government through the Local Regeneration Fund and the European Union - European Regional Development Fund." EU Objective 1 logo
Calibration Services (Calserv) Ltd, Penllwyn, Llanfair Caereinion, Welshpool, Powys, SY21 0HY. Tel: 07876 824678
Company registration number: 6045752 company registered in England & Wales.
VAT registration number: GB 549 7197 89. UKAS lab number 0794
© Copyright 2007. All rights reserved. All other copyrights and trademarks are recognised. ASA