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液滴形状分析方法可以追溯到名为ADSA的方法,该方法是由Neumann和他的团队在现代视频技术出现后开发的,计算机足够强大,可以在合理的时间内管理大量的计算工作。现在,这种根据悬垂和固着液滴的轮廓确定表面和界面张力的方法是最常用的技术,市场上有各种商业仪器。
非常紧凑的剖面分析张力计
测量液体表面和界面张力的简单手动仪器
基本版本中提供接触角测量
无需电源(USB供电)
理想的教育工具
Range of Surface and Interfacial tension
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10 to 2000 mN/m
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Range of contact angle measurement
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5° to 175°
accuracy ±0.3°
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Dosing
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manual drop/bubble formation
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Measuring options
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manual drop volume control
automatic drop volume/area control (optional)
pendent drop, buoyant bubble, sessile drop surface / interfacial tension
dilational elasticity (optional
contact angle surface free energy drop/bubble oscillations 0.001 to 1 Hz (optional) |
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Optics
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manual fixed objectives
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Camera
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Industrial CMOS-camera:
max. resolution 1280 x 960 pixels USB, optical distortion: < 0.05 %
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Frame rate
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up to 25 images/s
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Illumination
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LED, manually controlled light intensity
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Software
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OS Windows 7, 8, 8.1, 10 or 11
free update over 1 year after purchase
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Interface
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USB
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Size of device (L xW x H)
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400 x 200 x 200mm (standard version)
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Weight
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3 kg
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Power supply
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Powered by USB bus
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Extra accessories
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additional capillaries on request
automatic dosing module
contact angle module
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