The CalCard is designed for checking the on-going accuracy on Insulation and Continuity Resistance test equipment. It ensures that an instrument's measurement ability does not drift over a determined period.

It also functions as a simple check measurement to dispel any doubts an electrician may have about meter readings. This verification is particularly useful when carrying out on-site testing.

Due to its small size the CalCard can easily fit in your insutrment case or pocket and even be used as a key ring so it cannot be lost.

Approved by the NICEIC, IEE, NAPIT, ECA, IET and ELECSA.