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NIST TRACEABILITY LABORATORY SERVICES
PARTICLE ANALYSIS
• CPA Particle Size and Shape Analyzer
ENGINEERED PRODUCTS
• Custom Metallic Filtration
• Porostar Filter Laminates
• Plastic Extrusion Screens
INDUSTRIAL WOVEN WIRE
USA ARCHITECTURAL
DESIGN GROUP
HAVER, INC
SCREEN PRINTING SUPPLIES
Accuracy To +/- 0.1 Micron
N.I.S.T. Traceability
N.I.S.T. TRACEABILITY LABORATORY SERVICES
W.S. Tyler offers premium sieve calibration services to ensure the performance of Test Sieves for quality control programs. The services are applicable for both NEW and in-use test sieves.
The Standards that govern the manufacture and requirements of Test Sieves are ASTM E 11-09 and ISO 3310-1. Both W.S. Tyler and parent organization, Haver & Boecker, Germany, are very active on the committees that write and oversee the Standards. By contributing our many years of expertise, the marketplace can depend on the Standards to be valuable and practical to the product users.
N.I.S.T. Traceability
All of W.S. Tyler’s Laboratory Services offer some degree of traceability directly to N.I.S.T.
W.S. Tyler’s laboratory examinations are performed with an automatic, non-contact, dimensional measurement system with an accuracy of +/- one-tenth of a micron. W.S. Tyler, on average, performs 10,000 examinations per year in our on-site working laboratories.
Laboratory Products
Certified Test Sieve: ASTM Equivalent – Inspection Grade
Test Sieves are examined to meet ASTM and ISO specifications, serialized, and supplied with N.I.S.T. Traceable Histograms.
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Certified – PLUS Test Sieve: ASTM Equivalent – Calibration Grade
Test Sieves are examined to meet ASTM and ISO specifications, serialized, and supplied with N.I.S.T. Traceable Histograms Certified-PLUS, per the current ASTM specification, offers a 99.73% level of confidence, resulting from measuring two times the amount of mesh openings of the Inspection Grade Sieve.
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Recertification Schedule
W.S. Tyler recommends a re-examination scheduled for in-use Test Sieves.
| RECOMMENDED TEST SIEVE RECERTIFICATION SCHEDULE | |
| Aperture | Schedule * |
| 5 inches to .25 inch | 80 uses or 36 months |
| US No. 3-1/2 to US No. 12 | 70 uses or 30 months |
| US No. 14 to US No. 40 | 60 uses or 24 months |
| US No. 45 to US No. 140 | 50 uses or 18 months |
| US No. 170 to US No. 325 | 35 uses or 12 months |
| US No. 400 to US No. 635 | 20 uses or 6 months |
* Whichever comes last
Traceable Certifications can also be performed on specialty sieves, screening media, and ASTM and ISO woven wire cloth.
Particle Analysis Service
A traditional test sieve analysis is available for material evaluation. Contact Us
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QUALITY • SERVICE • VALUE
