EMS 755 Electromagnetic Sieve Vibrator
Electromagnetic sieve vibrator for reproducible wet and dry sieving, fine-particle fractionation and powder feeding. The horizontal and vertical oscillation supports effective separation, including fine particles below 20 µm.
Model Overview
| Model | Group | Positioning | Core fit |
|---|---|---|---|
| EMS 755 | Electromagnetic sieve vibrator | Laboratory system for reproducible wet and dry sieving with adjustable mechanical oscillation | Fine-particle fractionation, powder analysis and controlled powder feeding |
Key Features
Controlled electromagnetic vibration
The electronic control module provides continuously variable oscillation intensity, allowing the mechanical energy applied to the sieve to be adapted to the material and method.
Combined horizontal and vertical motion
The oscillator drives horizontal movement while the resilient suspension adds vertical movement, helping release particles that remain in sieve openings.
Fine-particle sieving support
The system is designed to reduce sieving time, particularly for wet-sieving applications involving particle sizes below 20 µm.
Flexible sieve handling
The integrated clamp supports analytical sieves with a diameter of 75 mm and enables convenient sieve changes.
Dry-powder feeding option
With a standard wire-cloth sieve, the EMS 755 can also support controlled dispersion and feeding of dry powder systems.
Optional ultrasonic assistance
The unit can be combined with the UDS 751 / UP 200S ultrasonic disintegrator when additional ultrasonic energy is required.
Technical Specifications
| Parameter | Unit | Value / Description |
|---|---|---|
| OPERATING PRINCIPLE | ||
| Setting parameter | — | Oscillation amplitude |
| Setting range | % | 0–100 |
| Setting resolution | — | Continuously variable |
| Mechanical oscillation frequency | Hz | 100 |
| ELECTRICAL & ENVIRONMENTAL | ||
| Power supply | — | 230 V AC, 50 Hz |
| Power consumption | W | < 100 |
| Operating temperature | °C | 10–50 |
| MECHANICAL | ||
| Sieve connector | — | Clamp for analytical sieves, Ø 75 mm |
| Dimensions — EMS unit | mm | 140 × 70 × 270 |
| Dimensions — control module | mm | 70 × 180 × 130 |
| Dimensions — tripod | mm | 200 × 480 × 320 |
| Weight | kg | 3.1 without tripod; 3.7 with tripod |
Specifications are based on Topas GmbH published product information. Confirm the current configuration, accessories and calibration scope before order placement.
Applications
Wet sieving
Generation of particle-size fractions from suspensions, including fine-particle microsieving workflows.
Dry sieving
Separation and analysis of dry powders using suitable analytical or woven sieves.
Powder feeding
Controlled powder dispersion and feeding for downstream aerosol-generation or material-analysis workflows.
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