Water Drop Contact Angle Measuring Instrument

A contact angle measuring instrument is a device used to measure the contact angle between a liquid and a solid material. It is primarily employed to characterize the wetting properties of liquids on solid surfaces. By capturing images of the droplet through optical imaging, computer software utilizes mathematical models to fit the droplet's contour, thereby determining the contact angle or surface tension. This process enables surface energy calculations and wettability analysis.

Water contact angle meters find extensive applications across various fields including materials research, industrial coatings, mobile phone manufacturing, biopharmaceuticals, electronic circuits, textile fibers, petroleum extraction, and aerospace.

Standards (partial list):
① JJF 2099-2024 Calibration Specification for Optical Contact Angle Meters
② GBT 30693-2014 Measurement of Contact Angle Between Plastic Films and Water
③ GBT 30447-2013 Method for Contact Angle Measurement of Nanoscale Films
④ GBT 42694-2023 Textiles - Determination and Evaluation of Surface Anti-Wetting Properties - Contact Angle and Rolling Angle Method
⑤ ASTM D 724-1999 (2003) Standard Test Method for Surface Wettability of Paper (Contact Angle Method)

• High precision and wide measurement range, supporting contact angle measurement and surface/interfacial tension measurement.

• Multi-functional analysis modules and algorithms, multi-mode measurement methods; surface energy and wettability analysis.

• Features a dense LED cold light design for uniform illumination, clear imaging, and extended lifespan.

• Incorporates a three-dimensional manual precision adjustment stage for flexible operation and accurate positioning; the stage can be customized to accommodate actual sample dimensions.

• High-definition imaging system: High-definition industrial camera with a continuous zoom telecentric lens ensures stable capture and sharp images.

• Powerful analysis software: Features one-click fully automatic fitting capabilities and fitting methods to precisely fit various droplet morphologies.

• Database management: Centralized storage and management of historical measurement data including contact angle, surface tension, and surface free energy. Data remains intact during power loss. Supports real-time data viewing, loading for analysis and comparison, and re-exporting.