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Portable Contact Angle Tester

It is mainly used to measure the contact angle of liquid to solid, that is, the wettability of liquid to solid. It can also measure the contact angle of liquid as the external phase. This instrument can measure the contact angle of various liquids to various materials.
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It is mainly used to measure the contact angle of liquid to solid, that is, the wettability of liquid to solid. It can also measure the contact angle of liquid as the external phase. This instrument can measure the contact angle of various liquids to various materials. In the fields of mobile phone manufacturing, glass manufacturing, surface treatment, material research, chemical engineering, semiconductor manufacturing, coating ink, electronic circuit, textile fiber, medical biology and other fields, contact angle measurement has become an important, An important instrument for evaluating surface properties.


Contact angle measurement range and accuracy: 0~180°, accuracy ±0.01°.
Surface tension measurement range and accuracy: 0~200mN/m, accuracy ±0.1mN/m.
Light source: Continuously adjustable LED cold light source, with a service life of more than 20,000 hours.
Optical system: High-fidelity micro-telecentric lens, no distortion in measurement of various angle ranges.
Camera system: Industrial-grade camera system, black and white 1.3 million pixels, 1/1.8-inch imported CMOS photosensitive chip, video speed up to 30 images per second.
Injection system: The injection accuracy is ±0.1μl, and a single tube of liquid can be measured more than 200 times continuously.
Injection adjustment: The adjustment range is 25mm, and the accuracy is ±0.1mm.
Fitting method: Tangent method, circle method, ellipse method, differential circle method, differential ellipse method, left and right contact angle method
Surface Energy Calculation: Four optional models calculate solid surface energy and analyze adhesion work.
Dimensions: 95×100×60mm (length×width×height)
Weight: 500g


portable contact angle testeroptical contact angle tester


1. The contact angle measuring instrument is mainly composed of light source, injection unit, acquisition system and analysis software. The equipment adopts the principle of optical imaging. The light source adopts dense LED cold light design, which emits light evenly, cleans the image and has a long service life;


2. The injection unit adopts the manual knob type to drip accurately, the drip is stable and the precision is high; the acquisition system adopts a miniature industrial grade microscope, CCD camera, stable shooting, clear images, real and reliable, the lens adopts industrial grade configuration, and the imaging is free from distortion;


3. The analysis software is powerful, with one-button automatic fitting ability and fitting method, which can meet the fitting of various droplet shapes.


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