Fulfils the ongoing accuracy requirements, specified by Institution of Engineering & Technology (IET).
Accepted and recommended by all regulatory bodies including NICEIC, ECA, NAPIT and ELECSA.
Multiple industry award-winning.
Smallest, most cost effective and versatile resistance checkbox available.
Used by over 40,000 electrical professionals each month.
A profitable and unique marketing product for distributors, service providers and training centres.
Customised/branded CalCards® have been proven to raise company profiles, brand awareness and increase online sales.











Product of the Year 2010.

Product of the Year 2010.
Why have a CalCard® ?
If you work in electrical industry and require to meet compliance levels as stated by the IET.
If you want to pass assessment by a recognised body such as NICEIC, NAPIT etc.
If you wish to save money, time and frustration of yearly instrument calibration.
The CalCard® is a necessary tool required by all tradesman working with electrics both in domestic and commercial environments.
What makes the CalCard® the recommended choice for Electricians?
Over 40,000 CalCards® have been supplied to end users, suppliers, distributors, training and calibration companies. CalCard is®the most popular choice with tradesmen and inspectorates.
Its size, affordability, ease of use and ruggedness.
The unique ability to verify the instrument with the probes attached.
This successful and innovative product when first introduced presented a new radical approach to the then large and expensive “box” solutions.
Following the winning three national major electrical awards, and endorsement by ELECSA and NICEIC, the CalCard has gained an excellent unchallenged reputation.