Contact Angle Meter/Contact Angle Measuring Instrument/Testing Equipment (YL-100)

Contact Angle Meter / Contact Angle Measuring Instrument / Testing Equipment (YL-100)

1. Application
This instrument is primarily used to measure the wettability of liquids on solid surfaces. By analyzing the contact angle, it helps calculate the free energy of the liquid, as well as adhesion and surface tension. It is widely applied in fields such as petroleum, chemical industry, medicine, papermaking, and materials science for research and educational purposes.

2. Product Features
1. Compact design with one-touch operation
2. Video capture of sample images, generating reports in Word or Excel format
3. High-life cold light source with adjustable brightness
4. International standard stainless steel capillary tube
5. Multiple testing methods including 20° below wide height method and 20°–120° ellipse method to ensure accuracy
6. Supports surface angle, bump angle, and forward angle tests, suitable for curved surfaces and dynamic video testing
7. Image scaling and direct saving of test results
8. Advanced software supports multiple testing functions like suspension drop method, interfacial tension measurement, circle fitting, ellipse fitting, and more
9. Offers various surface energy testing methods such as Fowks, OWRK, Zisman, and EOS

3. Standards
GB/T 24368-2009 (Detection of hydrophobic pollutants on glass surface)
SY/T 5153-2007 (Method for measuring reservoir rock wettability)
ASTM D724-99 (Test method for surface wettability of paper)
ASTM D5946-2004 (Measurement of contact angle between plastic film and water)
ISO 15989 (Water contact angle measurement of plastic film and corona-treated thin plate)

4. Specification

Range of Contact Angle Measurement	0–180°
Measurement Accuracy of Contact Angle	0.1°
Contact Angle Test Method	Sessile drop method, insertion method, captive bubble method
Contact Angle Analysis Method	Full automatic circle fitting, manual slant measurement, manual ellipse fitting, surface measurement, wide height measurement, artificial tangent method, and dynamic measurement method
Surface Energy Measurement	Fowks method, OWRK method, ZismanPlot method, EOS method
Worktable Dimensions	100mm x 120mm
Workbench Movement	Approximately 50mm front and back, 30mm side-to-side
Top and Bottom Expansion	30mm
Worktable Fixed Plate Movement	Front and back 150mm
Sampler Movement	Approximately 100mm
Microscope Movement	Front and back 80mm (adjustable 3mm)
Sample Size	100mm (width) x 80mm (thickness)
Instrument Dimensions	360mm (width) x 650mm (length) x 500mm (height)
Spreading coefficient calculation, adhesion coefficient; tension test (hanging drop method); 2X fixed double high-definition microscope; digital CMOS camera; video/replay; instant screenshot; video arbitrary movie single export; manual microinjector (1mL)

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