Latest news for Calltronics 
CalCard instrument calibration checkbox allows contractors to take quick calibration checks wherever they are working(29/10/2009)
The CalCard is an instrument calibration checkbox reduced to the size of a credit card. The compact size means it can be stored in a wallet or pocket, allowing contractors to take quick and easy calibration checks of test equipment values wherever they are working. Ever been working on a third floor flat and got an odd reading on your insulation continuity meter? You need to know whether it’s a genuine fault or simply a dodgy meter reading, bu... [more]
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