ELEVATING SIEVE ACCURACY
Verification Measurements elevate standard Compliance sieves to superior Inspection or Calibration grades, aligning with stringent ASTM or ISO specificat ions. Each sieve undergoes meticulous individual aperture measurement using a NIST traceable optical comparator before shipping. NL Scientific pioneers awareness of the revised ASTM E11 standard, transforming the evaluation process from mere average opening sizes to a statistical distribution of aperture sizes, impacting test sieves, screen trays, and wire cloth alike.
Verification of New Sieves
NL Scientific is at the forefront of informing our esteemed clients about the recent revisions to ASTM standard E11, specifically addressing wire cloth an d sieves utilized in material testing. The principal alteration lies in the methodology for evaluating mesh openings. Rather than relying solely on average sizes, our approach now emphasizes the consideration of the statistical distribution of apertur e sizes.
These comprehensive adjustments exert a profound influence, extending across the spectrum of test sieves, screen trays, and wire cloths. NL Scientific is dedicated to keeping you well-informed and equipped with the most advanced tools to fulfill your exacting testing requirements.
Key Aspect
1. Inspection Sieves: Carefully measured openings guarantee a 99% confidence level, with the standard deviation of these openings is within the maximum allowed by ASTM or ISO, ideal for tasks demanding top-tier accuracy and consistency.
2. Calibration Sieves: Double the openings, ensuring a 99.73% confidence level, with the standard deviation of these openings is within the maximum allowed by ASTM or ISO, tailored for applications requiring unparalleled precision.
3. Compliance Sieves: Standard sieves, pre-inspected and tailored for standard accuracy, perfectly suited for routine applications with a normal degree of accuracy and repeatability is sufficient. All NL Scient ific Test Sieves comply with ASTM or ISO regulations for Compliance Test Sieves.
2. Calibration Sieves: Double the openings, ensuring a 99.73% confidence level, with the standard deviation of these openings is within the maximum allowed by ASTM or ISO, tailored for applications requiring unparalleled precision.
3. Compliance Sieves: Standard sieves, pre-inspected and tailored for standard accuracy, perfectly suited for routine applications with a normal degree of accuracy and repeatability is sufficient. All NL Scient ific Test Sieves comply with ASTM or ISO regulations for Compliance Test Sieves.
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