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Drop Shape Analysis

Brand (Country): Dataphysics (Germany)

Model: OCA25 

Functionalities

    1. Technical parameters: Static contact angle(0~180 o, ±0.01o

        Rolling angle (Tilting range: -5~95o, Tilting accuracy ±0.1o)

        Advancing and receding angles

        Surface free energy (0.01~2000 mN/m, ±0.01 mN/m)

        Nanodrop dosing (Minimum droplet volume: 30 nL)

        High speed video system: -2048×1088 pixel, 89 images/s

                                                   -2048×544 pixel, 179 images/s

                                                   -1024×1024 pixel, 150 images/s

                                                   -768×576 pixel, 452 images/s

                                                   -640×480 pixel, 650 images/s

                                                   -640×240pixel, 1220 images/s

                                                   -640×60 pixel, 2450 images/s

       Lamella and liquid bridge analysis

       Analysis of oscillating drops

  2. Test environment: Air (-10~100℃)

                                    Liquid (room temperature)

Typical results:



Fee: 

        100 CNY/hour (internal)

        200 CNY/hour (external)

        Massive samples or frequent users contact responsible person.

Responsible person (e-mail): Kui Shi (石奎)  shikui@whu.edu.cn