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National Standards Authority of Ireland Standards Shop

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Not for Trade Use

An instrument found in use without the proper security and verification marks or with the ‘NOT TO BE USED FOR TRADE’ sticker is liable to lead to prosecution of the operator and/or owner.


This is placed on the instrument to show that it has passed verification.


This is placed over any access point of the instrument that needs to be protected from interference.


This is placed on instruments that have successfully passed a legal metrology inspection