Apparatus of Measuring Liquid Surface Tension Coefficient for Mechanics Physics Lab

This Apparatus of Measuring Liquid Surface Tension Coefficient for Mechanics Physics Lab is designed for studying liquid surface tension phenomena and accurately determining the surface tension coefficient of various liquids. The apparatus utilizes a silicon resistance strain sensor and a pull-off measurement method to provide precise force measurements with excellent sensitivity, linearity, and stability. Direct digital readout simplifies data collection and analysis, while the rigid metal ring minimizes deformation during testing, ensuring reliable and repeatable results. The system is ideal for educational laboratories, fluid mechanics studies, and materials science investigations.

Physics Lab Experiments from Atico Exports.

Experimental Principle and Content

• Calibrate the Silicon Resistance Strain Sensor
• Determine the Sensitivity of the Force Measurement System
• Observe and Study Liquid Surface Tension Phenomena
• Measure the Surface Tension Coefficient of Various Liquids
• Compare the Surface Tension Properties of Different Liquids
• Investigate the Relationship Between Liquid Concentration and Surface Tension Coefficient

Educational Objectives

• Understand the Principles of Liquid Surface Tension
• Learn Sensor Calibration and Force Measurement Techniques
• Study the Effect of Liquid Composition on Surface Tension
• Develop Practical Skills in Experimental Measurement and Data Analysis
• Explore Applications of Surface Tension in Science and Engineering

Silicon Resistance Strain Sensor :

• Measuring Range: 0–10 g
• Sensitivity: Approx. 30 mV/g

Digital Display :

• Measuring Range: 200 mV
• 3½-Digit Digital Display

Hanging Ring :

• Aluminum Alloy Construction

Glass Plate :

• Diameter: 120 mm

Weights :

• 7 Pieces
• 0.5 g Each

Standard Supply

• Silicon Resistance Strain Sensor × 1
• Digital Display Unit × 1
• Hanging Ring × 1
• Glass Plate × 1
• Weight Set × 7 pcs
• Instruction Manual × 1

• Direct Digital Reading
• High Sensitivity and Repeatability
• Stable and Reliable Measurements
• Ideal for Fluid Mechanics and Physics Laboratories