BAOSHISHAN 0-150μm Grindometer Stainless Steel Fineness Gauge ISO Standard Single Groove (150μm)

[0-150μm, INDEX VALUE 5μm] -- We have 4 kinds of single groove grindometer: 0-25μm, 0-50μm ( index value is 2.5μm); 0-100μm, 0-150μm ( index value is 5μm). The fineness gauge comes with 2 scrapers, forged from 4Cr13 stainless steel with a certain slope of the groove. Scale in microns (μm), the accuracy of fineness plate grooves is ± 1μm. [USING & READING] -- Drop some samples on the deeper groove of the hegman gauge, then use scraper to scrape them from deeper to low groove. Immediately (not over 5 seconds) observe the tick mark of grain visible in the channel, this numerical value is the fineness. [READING UNIT: μm] -- Correspondence between micron (μm) and Hegman (H) as follows: 0 Hegman (100 um), 4 Hegman (50 um), 8 Hegman (0 um)

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