The LA-300 operates on the basis of static laser light scattering (acc. ISO 13320) and covers a wide range of applications. It is the ideal combination of performance, price and packaging.
The diode laser is capable of detecting particles with the highest precision and resolution in a very short time (approx. 10 s.). The wide measuring range from 0.1 - 600 µm makes it the ideal analyzer for applications in basic research and quality control.
The LA-300 strikes a harmonious balance between high-functionality, easy operation, low maintenance, and cost-effectiveness.
adhesives, catalysts, chemicals for production of paper, fine ceramics, foodstuffs, metal powders, minerals, paints, pharmaceutical materials, pigments, plastics, ...
| Measuring principle | Mie Scattering Theory according ISO 13320 |
| Measuring range | 0.1 µm - 600 µm |
| Type of analysis | Wet analysis |
| Measuring time | ~ 10 seconds (20 seconds from start of measurement to display of data) |
| Measuring method | Manual flow cell measurement Manual fraction cell measurement with (fraction cell and cell holder required) |
| Required sample amount* | 10 mg - 5 g (depending on feed material) |
| Filling quantity | Flow cell: 250 ml Fraction cell: ~ 5 ml |
| Dispersion liquid | Water, alcohol and other organic solvents |
| Optical system - Light Source - Detector |
Inverse Fourier-optics 650 nm Laser Diode, 5 mW 36-division ring shaped detector (forward direction) 6 separate wide-angle detectors (side and reverse direction) |
| Sample circulation system - Ultrasonic chamber - Discharge volume - Automatic filling pump - Sample flow cell |
Bath: 15 W, 28 kHz 5.5 l/min, 15-step speed selection 1.2 l/min (option) Tempax glass |
| Operating environment | 15 °C - 30 °C, less than 85% rel. Humidity |
| Power supply | 100/120/230 V ±10%, 50/60 Hz, 150 W |
| Dimensions (W x H x D) | ~ 300 x 320 x 420 |
| Weight (Measuring unit) | ~ 25 kg |
| Interface | RS 232 |
| Operating unit | Operating and evaluation software in German, English, French for PC mit Windows 95, 98, 2000, XP Operation with mouse and keyboard |
| Options and Accessories - Dry dispersion unit - Fraction cell - Micro-quantity dispersion unit - Circulation system - Automatic filling pump - Autosampler - Transport case |
- Tempax glass, 5 ml - resistent to organic solvents, 250 ml 1.2 l/min - yes |
| *depending on feed material and instrument configuration/settings |
The LA-300 uses Mie Scattering Theory (laser diffraction) to measure particle size over the range of 0.1 to 600 µm. A 650 nm solid-state, diode laser is focused by an automatic alignment system through the measurement cell. Light is scattered by the particles to a 42-element detector system, including high-angle and back-scatter detectors for a full angular light intensity distribution. The thick, cast-aluminum optical bench provides stable, high-precision results. 
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