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Contact angle measuring instrument

Automatic Contact Angle

Main parameters

Image magnification:0.7-4.5X

measurement accuracy:±0.1°

Surface tension measurement range:0-1000 mN/m

measuring range:0-180°


DSA-X PLUS Optical Contact Angle Measuring Instrument is designed and manufactured independently by Betop Scientific. It is equipped with advanced high-resolution high-speed industrial camera and cold light source of LED to obtain high-definition image and obtain accurate test data through calculation and fitting with new optimized software. With the combination of ergonomics, the instrument provides humanized automatic sampling adjustment, sample table adjustment, optical system adjustment and so on, which makes the test more accurate, fastter and more efficient.


Instrument characteristics

●Convenient software and hardware operation, fast and skilled Mastery
●High speed and high resolution industrial camera
●Manual or software controlled precision electric injection Unit
●Various calculation and fitting methods, automatic baseline recognition function
●Intelligent image recognition, anti-jamming
●Automatic video playback function, accurate selection of data acquisition points
●Multi-format data export function, one-click export experiment report
●Various measurement functions and optional modules
●Perfect matching of production line quality control and laboratory research & development


●Dynamic and static contact angle measurement
●Calculation of Free Energy of Solid Surface and Its Composition
●Measurement of Surface/Interfacial Tension of Liquid by Suspended Droplet Method
●Calculation and analysis of adhesion work
●Research on Adhesion Force and Stability in the Process of Adhesion and Coating


●Evaluation of the effect of surface treatment
●Research on Adhesion Force and Stability in the Process of Adhesion and Coating
●Wettability test of plastics, glass, ceramics, paper and other materials
●Quality Control of Semiconductor Chips
●Surface cleanliness test






Main parameter

●Contact angle measurement range: 0-180°
●Contact angle measurement accuracy: ±0.1° 
●Measurement range of surface interfacial tension: 0-1000mN/m 
●Measuring accuracy of surface interfacial tension: 0.01mN/m
●Optical system: 0.7-4.5x, adjustable focal length
●Camera speed: Video speed 210 images per second, 130 pixels
●Camera Angle: ±4° Adjustable
●Titration accuracy: 0.01μl
●Titration system movement X-Y: 100 mm Z:100 mm
●Contact angle measurement methods: dynamic and static contact angle, rolling angle
●Contact angle analysis methods: six common fitting methods
●Surface Energy Measurement: OWRK Fowkes Method Wu Method Van Oss Method
●Sample table size: 100mm x 100mm
●Sample table movement
  X-Y-Z: triaxial direction 100mm×100mm×50mm (optional)
●Maximum sample size: 300 x oo x 160 mm (W x D x H)