Fisher Sub Sieve Sizer
General Description
1. Average Particle Size Analyzer (Fisher Sub-Sieve Sizer) is an apparatus using a gas-permeability method for determination of the average particle diameter of powders.
2. Particle sizer operates on air permeability principle. Result is read directly from multi-curve chart on front of instrument after simple alignment of indices. Complex calculations are ignored to get the result. 3. A sample, equal in weight (grams) to the true density of the material, is compacted between two porous plugs in a metal tube, to a known porosity.
4. Air or a suitable gas, under a constant pressure head, is passed through the compressed sample, and rate of flow is measured by a calibrated flowmeter.
5. The average particle diameter of the powder is indicated directly on a self-calculating chart by the liquid height in one arm of the flowmeter tube...
6. No dispersion is required, and the results are unaffected by particle shape.
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| Technical Data |
|
| Measuring range |
0.20-100 μ m (micron) |
| Porosity range |
0.25-0.40, 0.40-0.80, 0.80-0.95 |
| Repeatability |
± 3% |
| Environment temperature |
25± 10 o C |
| Preciseness |
± 3% |
| Power |
30W |
| Power supply |
220± 22 V |
| Weight |
18Kg |
| Outlook size |
735× 414× 244mm 3 |
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