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WS Tyler Wet Test Sieves


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Stainless Steel Cloth

All wet wash test sieves have a stainless steel cloth and come in a wide range of mesh diameters.

Includes Drain Holes to aid Liquid Dispersion

All wet test sieves include drain holes in the lower frame to aid liquid dispersion. Each wet wash test sieve includes a unique serial number and a matching Test Sieve Certificate of Compliance.

W.S. Tyler Document of Certification

W.S. Tyler Certified, Certified Plus and Matched Test Sieves are examined to meet ASTM and ISO specifications. The openings of the sieves are measured with a computerized video imaging system. Products are then serialized and supplied with NIST traceable documents, including statistical information on opening sizes and wire diameters. Shown here is a typical Document of Certification and descriptions of the terms used. 

A- Dimension Reference Number 

1 = Wire Diameter “x” direction 
2 = Aperture Size “x” direction 
3 = Wire Diameter “y” direction 
4 = Aperture Size “y” direction 

B- Sample Size* = Number of apertures or wire diameters
measured

C- Upper Spec. = Aperture size per ASTM E11 specification,
plus tolerance

D- Lower Spec. = Aperture size per ASTM E11 specification,
minus tolerance

E- Nominal = Specified aperture size, per ASTM E11 specification

F- Standard Deviation = A numerical value that measures
“spreading” tendency, a deviation of the values from
their mean (average)

G- Max. Measured = The largest aperture or wire diameter
measured

H- Min. Measured = The smallest aperture or wire diameter
measured

I- Range = The difference between the “max” and “min”
above (rounded)

J- Mean = Average aperture size or wire diameter measured

K- Description = Test sieve designation/ mesh size

L- Serial No. = Identification number of test sieves

M- Histogram = Graphic presentation of values measured
vs. corresponding number of apertures examined