System Illustration
The Ramé-Hart A-100 Contact Angle Goniometer and relevant adjustment knobs.
Measurement Procedure
To measure the contact angle of water on a surface, perform the following procedure.
- Note that the image through the scope is inverted upside-down.
- You will also see a reflection of the water droplet on your polished substrates, as illustrated here:
Illustration of a reflective sample. Substrate is on
top due to inverted image.