00CS-2800 : 2.8mm or No.7
Calibration Standard for 200mm (8") Diameter Sieves, NIST Traceable for 2800μm (No.7); also suitable for 3150μm; 5 bottle set, 25.0g per bottle
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Calibration Standard for 200mm (8") Diameter Sieves, Aperture Size 2800μm (No.7). Also suitable for 3150μm sieves. Set of 5 bottles, 25.0g per bottle. Mean aperture sizes traceable to NIST. Single-shot bottles remove operator bias.