The AT – 200 All sieves are made with brass woven wire and frame and meet international specifications. Used for determining grain size distribution of soil particles or sand/gravel.
TESTING STANDARD
ASTM E – 11
| Frame | 8” ( 203 mm ) diameter; full height: 2”( 51 mm ) depth to mesh |
| Brass Type | Polished and lacquered brass with S.S. mesh on fin series sieve and brass mesh on coarse series |
| Name Plates | Show standard, alternate and tyler screen scale equivalent designations |
MODEL/TYPE
| Coarse Series | ||
|---|---|---|
| AT – 201 | Mesh 4" | 100 mm |
| AT – 202 | Mesh 3 1/2" | 90 mm |
| AT – 203 | Mesh 3" | 75 mm |
| AT – 204 | Mesh 2 1/2" | 63 mm |
| AT – 205 | Mesh 2" | 50 mm |
| AT – 206 | Mesh 1 3/4" | 45 mm |
| AT – 207 | Mesh 1 1/2" | 38.1 mm |
| AT – 208 | Mesh 1 1/4" | 31.5 mm |
| AT – 209 | Mesh 1" | 25.0 mm |
| AT – 210 | Mesh 7/8" | 22.4 mm |
| AT – 211 | Mesh 3/4" | 19.0 mm |
| AT – 212 | Mesh 1/2" | 12.5 mm |
| AT – 213 | Mesh 5/8" | 16.0 mm |
| AT – 214 | Mesh 7/16" | 11.2 mm |
| AT – 215 | Mesh 3/8" | 9.5 mm |
| AT – 216 | Mesh 5/16" | 8.0 mm |
| AT – 217 | Mesh 1/4" | 6.3 mm |
| Fine Series | ||
|---|---|---|
| AT - 218 | Mesh No. 4 | 4.75 mm |
| AT - 219 | Mesh No. 6 | 3.35 mm |
| AT - 220 | Mesh No. 8 | 2.36 mm |
| AT - 221 | Mesh No. 10 | 2.00 mm |
| AT - 222 | Mesh No. 12 | 1.70 mm |
| AT - 223 | Mesh No. 14 | 1.40 mm |
| AT - 224 | Mesh No. 16 | 1.18 mm |
| AT - 225 | Mesh No. 18 | 1.00 mm |
| AT - 226 | Mesh No. 20 | 850 µm |
| AT - 227 | Mesh No. 25 | 710 µm |
| AT - 228 | Mesh No. 30 | 600 µm |
| AT - 229 | Mesh No. 35 | 500 µm |
| AT - 230 | Mesh No. 40 | 425 µm |
| AT - 231 | Mesh No. 45 | 355 µm |
| AT - 232 | Mesh No. 50 | 300 µm |
| AT - 233 | Mesh No. 60 | 250 µm |
| AT - 234 | Mesh No. 70 | 212 µm |
| AT - 235 | Mesh No. 80 | 180 µm |
| AT - 236 | Mesh No. 100 | 150 µm |
| AT - 237 | Mesh No. 120 | 125 µm |
| AT - 238 | Mesh No. 140 | 106 µm |
| AT - 239 | Mesh No. 170 | 90 µm |
| AT - 240 | Mesh No. 200 | 75 µm |
| AT - 241 | Mesh No. 230 | 63 µm |
| AT - 242 | Mesh No. 270 | 53 µm |
| AT - 243 | Mesh No. 325 | 45 µm |
| AT - 244 | Mesh No. 400 | 38 µm |
| AT - 255 | Pan and cover | |
