Newark Wire Cloth Company

Test Sieves Standard Specification

Newark Wire Cloth manufactures Test Sieves

ASTM E11 Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves.
ASTM E11 Test Sieves are available in(3) different confidence levels.

Compliance Grade (66.0% Confidence level)
Inspection Grade (99.0% confidence level)
Calibration Grade (99.73% confidence level)

ISO 3310-1:2016 International Standard for Test Sieves; Technical requirements and testing for test sieves of metal  wire cloth.

ASTM E161 Standard Specification for Precision Electroformed Sieves.

Compliance Test Sieve (66% Confidence Level)

Test sieves manufactured using sieve cloth that has been inspected after weaving and before being mounted in the sieve frame. The sieve cloth mounted in sieve frame will meet the requirements of ASTM E11 (Table 1) with respect to the number of openings measured per 100 s/f (Column 7) and not exceed the maximum allowable standard deviation (Column 8).

Click image to view a sample of the documentation and certification supplied for Inspection Sieve Certification.

Test Sieves Standard-Certificate of complains
Certification does not include any statistical documentation.

Inspection Test Sieve (99.00% Confidence Level)

Manufactured using sieve cloth that has been inspected after being mounted in the sieve frame.  The sieve cloth meets the requirements of ASTM E11 (Table 1) with respect to the number of openings measured (Column 9) and not exceeding the allowable maximum standard deviation (Column 10).

Click image to view a sample of the documentation and certification supplied for Inspection Sieve Certification.

Test Sieves Certification
Certification includes the average aperture size, separately for both the warp and shute direction of the sieve cloth.

Calibration Test Sieve (99.73% Confidence Level)

That has been manufactured using sieve cloth that has been inspected after being mounted in the sieve frame.  The sieve cloth meets the requirements of ASTM E11 (Table 1) with respect to the number of openings measured (Column 11) and not exceeding the allowable maximum standard deviation (Column 12).

Click image to view a sample of the documentation and certification supplied for Inspection Sieve Certification.

Test Sieve Calibration
Certification includes minimum number of apertures and wire diameters measured, average aperture size, average wire diameter, and standard deviation; all measurements are done for both the warp and shute direction of the sieve cloth, separately.
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