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CalCard® Calibration Checkbox

Verification of Instruments Ongoing Calibration Accuracy

CalCard® from TestCal

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What could be easier?

Review for CalCard

This card is “so” useful, I wish I’d found it ages ago. The resistances are really very accurate, so it does exactly what it’s supposed to do! I’ve found that zeroing my meter with both probes on the 2 common contact points gives a more accurate result. The contact areas can pick up a bit of dirt & grease, so scratch them with your probes when testing for good continuity. Great & cheap!

Posted by Graeme (Supplier) on 2013-11-29 17:21:49

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5/5
Five Stars
Posted by GAry Bowles (Amazon) on October 23, 2016
Review for CalCard

A simple and effective way to keep tracks of results on your tester

Posted by Graeme (Supplier) on 2013-11-29 17:21:49
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5/5
It's what you need.
Posted by stevefiler0 (eBay) on October 5, 2016
Review for CalCard

A great way of self testing my meters for reassuring accuracy.

Posted by Graeme (Supplier) on 2013-11-29 17:21:49
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5/5
does what says on the card
Posted by Gary (Supplier) on January 1, 2014
Review for CalCard

used these cards for years found them to be very accurate ideal for onsite checks.Brought a new one as original one was stolen

Posted by Graeme (Supplier) on 2013-11-29 17:21:49
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