Spinning Drop Tensiometer - SDT SDT - Krüss
Measure interfacial tension down to ultralow values to optimize emulsions and microemulsions for EOR, cosmetics, food, or pharmacy. Delivered and supported by C
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Advanced Interfacial Tension Measurement for Industry Applications
The SDT Spinning Drop Tensiometer is a state-of-the-art solution for measuring interfacial tension with unrivaled precision, offering a broad operational range that extends to exceptionally low values. This instrument is vital for the quality control and development of emulsions and surfactants, featuring immense versatility, minimal sample volumes, and straightforward preparation processes. Its effectiveness is particularly pronounced in the study of mini- and microemulsions’ interfacial behavior, making it an indispensable tool for applications in enhanced oil recovery (EOR), as well as the pharmaceutical and cosmetics industries.
Key Applications and Features
Designed to cater to a diverse range of applications, the SDT excels in: development of emulsions and microemulsions; surfactant flooding for EOR; formulations in pharmaceuticals and cosmetics; enhancement of drug bioavailability; food emulsions research; and surfactant research. It offers precise interfacial tension measurement through advanced methodologies like the diameter or curvature of a drop in a rotating capillary, with the capacity for repeat measurements displayed collectively for comprehensive analysis.
Innovative Design and Functionality
The SDT combines a high-resolution camera and a motor with exceptional speed stability, eliminating the need for manual measurement observation through intelligent software. Innovations in sample preparation and temperature control streamline operation, while its award-winning design ensures user safety and ease of use. Embodying ergonomics and efficiency, the SDT sets new standards in the field of interfacial tension measurement.
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Technical Specifications
- Software type: ADVANCE
- Software languages: Chinese (simplified), English, French, German, Japanese, Korean, Portuguese, Russian, Spanish
- Software modules: Interfacial tension of liquids (recommended) Drop positioning module (optional) Adhesion Analysis (optional)
- Results: interfacial tension
- Range: 1E-6 to 2000 mN/m
- Resolution: 1E-6 mN/m
- Models: Vonnegut Young-Laplace
- Min. recommended sample volume: surrounding liquid: 1 mL drop liquid: 1 to 4 μL
- Footprint: 360 mm × 240 mm (W × D)
- Height: 325 mm
- Weight (without accessories): 15 kg
- Operating temperature: 15 to 30 °C
- Humidity: without condensation
- PC: USB 3.0
- Auxiliary: RS232
- Thermostat: quick couplings
- Camera parking system: protecting the camera when not in use
- Touch panel: glass surface with capacitive sensing
- Voltage: 100 to 240 V
- Power consumption: max. 250 W
- Frequency: 50 to 60 Hz
- Range: -10 to 180 °C
- Resolution: 0.1 °C
- Precision: ±0.1 °C
- Locations: heating element (internal sensor) capillary (infrared sensor)
- Type of temperature control: electric (ambient to 120 °C) liquid (-10 to 120 °C, with optional flow-through thermostat)
- Range of temperature control: -10 to 120 °C
- Septum free filling system: for easy sample preparation
- Quick lock loading: for fast sample exchange
- Drop launch mechanism: drop creation at the press of a button
- Connection: USB 3.0
- Performance: 15 fps at 2560 × 1920 px
- Focus: fixed
- Zoom: 1.4× zoom, fixed
- Field of view: 6 mm × 4.5 mm
- Resolution of optics: 2.3 μm
- Types: high power monochromatic LED and stroboscope
- Wave length, dominant: 469 nm
- Field of light: 57 mm × 7 mm (D × H)
- Tilting: ±20°
- Resolution (tilting): 0.1°
- Resolution: 0.1 rpm
- Long term stability: ±1 rpm
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