Test sieves inspected and calibrated in accordance with procedures listed in clause 5.2 of ISO 3310/BS:410-1:2000. Each sieve is supplied with a Calibration Certificate recording the number of aperture and wire diameters measured, the average aperture size and standard deviation separately for the warp and weft direction. The type of weave will also be stated. Also available for perforated plate.
Features
Test sieves are available in a variety of standard diameters (3, 5, 6, 8, 10, 12, and 18 inches (in.) and 200, 300, or 400 mm). Specialized or proprietary sizes, either larger or smaller, are also available, although far less common. Test sieves are also available in a variety of heights, either full height (typically, full height is 2 5/8 in.), half height (typically 1 5/8 in.),
Specifications for test sieve
- Sieve mesh materials: stainless steel, brass and phosphor bronze.
- Frame material: stainless steel and brass, larger diameter sieves also available in galvanized steel.
- Aperture size: from 125mm down to 20μm.
- Wire diameter: 0.02mm to 6.3mm.
| Outer sieves diameter size: | 38mm, 100mm, 150mm, 200mm, 250mm, 300mm, 315mm, 400mm, 450mm, 3″, 8″, 10″, 12″, 18″. |
| Depth: | 1″, 1-1/2″, 1-5/8″, 1.625″, 2″, 3″, 3-1/2″, 3.25″, 4″, 4.25″, 6″, 8″. |
| Depth type: | full height and half height. |
| U.S.A. standard test sieve designation – ASTM-E-11 | ||||
| Alternative No. | Nominal openings | Nominal wire diameter | ||
| inch | mm | inch | mm | |
| 4″ | 4.000 | 100 | 0.2480 | 6.30 |
| 3-1/2″ | 3.500 | 90 | 0.2394 | 6.08 |
| 3″ | 3.000 | 75 | 0.2283 | 5.80 |
| 2-1/2″ | 2.500 | 63 | 0.2165 | 5.50 |
| 2.12″ | 2.120 | 53 | 0.1968 | 5.00 |
| 2″ | 2.000 | 50 | 0.1988 | 5.05 |
| 1-3/4″ | 1.750 | 45 | 0.1909 | 4.85 |
| 1-1/2″ | 1.500 | 37.5 | 0.1807 | 4.59 |
| 1-1/4″ | 1.250 | 31.5 | 0.1665 | 4.23 |
| 1″ | 1.000 | 25 | 0.1496 | 3.80 |
| 7/8″ | 0.875 | 22.4 | 0.1378 | 3.50 |
| 3/4″ | 0.750 | 19 | 0.1299 | 3.30 |
| 5/8″ | 0.625 | 16 | 0.1181 | 3.00 |
| 0.530″ | 0.530 | 13.2 | 0.1102 | 2.80 |
| 1/2″ | 0.500 | 12.5 | 0.1051 | 2.67 |
| 7/16″ | 0.434 | 11.2 | 0.0965 | 2.45 |
| 3/8″ | 0.375 | 9.5 | 0.0894 | 2.27 |
| 5/16″ | 0.312 | 8 | 0.0787 | 2.00 |
| 0.265″ | 0.265 | 6.7 | 0.0709 | 1.80 |
| 1/4″ | 0.250 | 6.30 | 0.0709 | 1.80 |
| NO. 3-1/2 | 0.233 | 5.66 | 0.0661 | 1.68 |
| NO. 4 | 0.187 | 4.75 | 0.0606 | 1.54 |
| NO. 5 | 0.157 | 4 | 0.0539 | 1.37 |
| NO. 6 | 0.132 | 3.35 | 0.0484 | 1.23 |
| NO. 7 | 0.111 | 2.80 | 0.0430 | 1.10 |
| NO. 8 | 0.0937 | 2.36 | 0.0394 | 1.00 |
| NO. 10 | 0.0787 | 2 | 0.0354 | 0.900 |
| NO. 12 | 0.0661 | 1.70 | 0.0319 | 0.810 |
| NO. 14 | 0.0555 | 1.40 | 0.0285 | 0.725 |
| NO. 16 | 0.0469 | 1.18 | 0.0256 | 0.650 |
| NO. 18 | 0.0394 | 1 | 0.0228 | 0.580 |
| NO. 20 | 0.0331 | 0.850 | 0.0201 | 0.510 |
| NO. 25 | 0.0278 | 0.710 | 0.0177 | 0.450 |
| NO. 30 | 0.0234 | 0.600 | 0.0154 | 0.390 |
| NO. 35 | 0.0197 | 0.500 | 0.00134 | 0.340 |
| NO. 40 | 0.0165 | 0.425 | 0.0114 | 0.290 |
| NO. 45 | 0.0139 | 0.355 | 0.0097 | 0.247 |
| NO. 50 | 0.0117 | 0.300 | 0.0085 | 0.215 |
| NO. 60 | 0.0098 | 0.250 | 0.0071 | 0.180 |
| NO. 70 | 0.0083 | 0.212 | 0.0060 | 0.152 |
| NO. 80 | 0.0070 | 0.180 | 0.0052 | 0.131 |
| NO. 100 | 0.0059 | 0.150 | 0.0043 | 0.110 |
| NO. 120 | 0.0049 | 0.125 | 0.0036 | 0.091 |
| NO. 140 | 0.0041 | 0.106 | 0.0030 | 0.076 |
| NO. 170 | 0.0035 | 0.090 | 0.0025 | 0.064 |
| NO. 200 | 0.0029 | 0.075 | 0.0021 | 0.053 |
| NO. 230 | 0.0025 | 0.063 | 0.0017 | 0.044 |
| NO. 270 | 0.0021 | 0.053 | 0.0015 | 0.037 |
| NO. 325 | 0.0017 | 0.045 | 0.0012 | 0.032 |
| NO. 400 | 0.0015 | 0.038 | 0.0012 | 0.030 |
| NO. 450 | 0.0012 | 0.032 | 0.0011 | 0.028 |
| NO. 500 | 0.0010 | 0.025 | 0.0010 | 0.025 |
| NO. 635 | 0.0008 | 0.020 | 0.0008 | 0.020 |
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