W.S. Tyler Certifies Test Sieves to New ASTM E 11 Standard

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Leading Manufacturer of Test Sieves Conforms to New ATM E 11 Standard for Inspection and Calibration Grades

W. S. Tyler now performs examinations to certify that Test Sieves conform to the new ASTM E 11 Standard for Inspection and Calibration Grades. W.S. Tyler’s Optical Analyzer is calibrated, ensuring the measurements are directly traceable to N.I.S.T., on a bi-annual basis.

Certification documents that include detailed histograms are supplied with both new and in-use test sieves. The Calibration Grade Certification process examines twice the number of apertures in a sieve than the Inspection Grade, and offers 99.73% assurance of accuracy.

W.S. Tyler also examines and Certifies metric sieve cloth openings to ISO 3310-1 Standard.

W.S. Tyler is the world leading manufacturer of test sieves. They also produce a variety of related products and servcies including test sieve shakers, sieve analysis and particle size and shape analyzers. Additionally, they make architectural mesh and parking garage facades among other iinovative products.


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Candace Blaker
WS Tyler
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