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The DY-300 is a fully-automatic, multi-purpose, and easy-to-use surface tensiometer for reliable measurements of surface and interfacial tension, lamella length, sedimentation behavior, and liquid density. With its repetitive measurement function, the DY-300 is the ideal instrument for measurements in quality control. The high-quality components and the durable design combined with a video user manual integrated into the software guarantee user-friendly operation. Optional, jacket or heater type stages and a thermometer are also available.
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- "One-click" fully automated operation
- Pre-wetting function to eliminate measurement errors caused by unsuccessful wetting of Wilhelmy plate or du Noüy ring
- Easy parameter setting to adapt various measuring standards
- Video user manual for user-friendly operation
- Adjustable level of the body
- Calibration by external weights for periodic inspection of measurement accuracy
Hardware
- Sedimentation behavior measurement kit
- Liquid density measurement kit
- Jacket-type sample stage for temperature measurements from +10 to 70 ℃
- Heater-type sample stage for temperature measurements from ambient to +150 ℃
- Surface tension: Paints, inks, and additives for coating processes
- Interfacial tension: Transformer oil, emulsions, surfactant solutions
- Lamella length: Paint leveling, foaming stability of coatings, and fire extinguishing agents
- Sedimentation behavior: Flocculants used in wastewater treatment, stability of dispersions, such as paints and pigmented inks
| DY-300 | |
| Measuring methods |
surface tension (Wilhelmy plate and du Noüy ring method) interfacial tension (Wilhelmy plate and du Noüy ring method) lamella length (with the use of the du Noüy ring) liquid density (Gay-Lussac Pycnometer method)1) sedimentation behavior 1) |
| Measuring range | surface/interfacial tension: 1 to 1.000 mN/m liquid density: 0.001 to 3.3 g/cm3 |
| Resolution | surface/interfacial tension: 0.01 mN/m liquid density: 0.0001 g/cm3 |
| Accuracy2) | surface/interfacial tension: 0.2 mN/m |
| Calibration method | by external calibration weights |
| Sample stage operation: Speed Stroke |
software-controlled 0.004 to 5.0 mm/s 48 mm |
| External dimensions (WxDxH) |
255 x 309 x 369 mm |
| Approximately weight | 12.5 kg |
| Electric power: Voltage Frequency Power consumption |
AC 100-240 V 50/60 Hz 35 W 75 VA |
| Operating environment |
temperature: +10 to +35 ℃, humidity: 30 to 80 %RH (non-condensing) positioned away from sources of electrical noise and vibration |
1) Optional measuring probe is required
2) Accuracy is the repeatability in terms of standard deviation based on the manufacturer’s calibration weights
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