Automatic Contact Point Detection

Only few contact angle goniometers provide the back to front tilt of the camera (Fig. 1 a). This feature enables the user to perfectly see the contact point (Fig. 1 b). It also enables the software (Jikan Assistant) to automatically pick the contact points.

(a)

(b)

Fig. 1 Back to front tilt of the camera and contact points.

Note: the back to front tilt angle does not create any error in measuring the contact angle (Fig. 2)

Fig. 2 The 5o Back to front tilt of the camera does not create error (Chini et al. (2013), Colloids and Surfaces A: Physicochem. Eng. Aspects)

Automatic Contact Point Detection

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