A global distributor of precision measurement tools

FAQs

How are graduation marks made?

There are many methods that can be used to put graduation marks on an instrument. These include: scribing, painting, printing, engraving, and etching. The methods of scribing, engraving, and etching are typically preferable because they are a more permanent form. Printed or painted graduation marks run a higher risk of wearing off and risking the accuracy of the measurement. Often, to increase the durability of an instrument’s graduation marks they will be done in ink of some sort over an engraved or etched mark. This helps them to last longer while also making them more visible to the user. On some tools that are higher quality, a double layer of plastic or glass will be used to protect the graduation marks. Because they are so important for accuracy, graduation marks must be put on an instrument very carefully and precisely.
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