• Goniometer Sudut Kontak Ossila (Contact Angle Goniometer) - AMI Scientific
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Ossila

Ossila Contact Angle Goniometer

Ossila Contact Angle Goniometer
Rp 104.611.500,00
Rp 104.611.500,00
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The Ossila Contact Angle Goniometer is a compact benchtop instrument for measuring the contact angle and surface tension of liquid droplets. It covers a measurement range of 5° – 180° with an accuracy of ±1°, making it useful both for highly hydrophobic protective coatings with high contact angles and for uniform solution coatings with low contact angles.

A 1920 x 1080 camera records at up to 30 frames per second through a manually focused lens, while a mains-powered monochromatic backlight gives a bright, even background so the software can locate droplet edges with a Canny edge detection algorithm. The sample stage can be levelled, raised and lowered without losing its level, and can even be tilted slightly towards the camera to help align the baseline. An adaptable clamp holds the supplied 25 µl glass syringe with its removable blunt needle, or other dispensing equipment.

The included software records videos in .avi format and analyses them frame by frame. Contact angles above 10° are found from the tangent of a polynomial fit at the baseline, with a circle fit used below 10°. Surface tension is determined by optical tensiometry on pendant droplets, comparing droplet models built from droplet radius and liquid density with the detected edge.

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  • Studying the wetting process of droplets through rapid image capture.
  • Characterizing surface wetting in research such as perovskite solar cell fabrication.

Brand Ossila
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  • Product code: L2004A1
  • Measurement Accuracy: ±1°
  • Measurement Range: 5° – 180°
  • Overall Dimensions (W x H x D): 320 mm x 95 mm x 165 mm
  • Stage Area: 50 mm x 50 mm
  • Maximum Sample Thickness: 20 mm
  • Maximum Camera Resolution: 1920 x 1080
  • Frame Rate: Up to 30 frames per second
  • Sensor Size: 1/2.7 inch
  • Pixel Size: 3 μm x 3 μm
  • Image Area: 5856 μm x 3276 μm
  • Syringe Volume: 25 µl
  • Needle Gauge: 22
  • Needle Outer / Inner Diameter: 0.72 mm / 0.37 mm
  • Needle Length / Tip Shape: 51 mm, Blunt
  • Software Requirements: Windows 11 (64-bit), Quad Core 2.5 GHz, 8 GB RAM, USB 2.0

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