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CalCard in Hand

The CalCard

Every person undertaking the design, construction, maintenance, verification and/or inspection and testing of electrical installations is required to maintain records demonstrating the ongoing accuracy and consistency of test instruments.
This is achieved using the CalCard designed and manufactured by TestCal.


www.myocv.co.uk

Ongoing Calibration Varification

The website -myocv.co.uk provides all the tools to record, print and verify your instruments OCV.
Ongoing Calibration Verification (OCV) is not the same as calibration. OCV is the process of verifying instrument readings of known resisters to confirm that the instrument’s calibration throughout the period and range are within acceptable measurement criteria.
This is a regulatory requirement by all inspectorate and must be performed every month.
The completion of this exercise extends the required calibration period from 1 to 3 months.