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2nd Reference Sphere Size


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Hi all,
I'm adding a 2nd reference sphere for calibrating small probe diameters (.3-.8mm). What size do you recommend? 8mm or 15 mm?

Much thanks,
Robert
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Since you are intending to use it specifically for calibrating small probes I would suggest the 8mm.

The 15mm may eventually prove to be too large for some probes depending on probe length / configuration of the probe and you might still end up having to buy the 8mm after all.
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0.3mm and 0.6mm styli are the workhorses in our place. If you purchase your styli from Zeiss, you can use up to a 25mm diameter sphere with no interference.
My G2 came with a 30mm sphere so I use that and an 8mm sphere for our qualification program.
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