A surf tester, also known as a profilometer, surface roughness tester, roughness gage, or surface finish gage, is a device used in metrology to inspect and measure surface roughness in shop, metalworking, manufacturing and quality control (QC) applications.
For surface testing applications requiring a 20 Ra or less, Mahr will always recommend the 5 micron (“It’s a sharper tip”). It’s important to decide which radii for the diamond stylus that is used on the probe itself.
Surftest SJ210 Portable Surface Roughness Tester, 5 Micron Stylis Tip Radius, Standard Drive Unit Type, 4mN type. If you find 178-561-12A lower than $2,357.00 from an authorized Mitutoyo dealer, let us know and we will try and beat the price!!
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