Measuring Liquid Viscosity Falling Ball Method for Mechanics Physics Lab

This Measuring Liquid Viscosity Falling Ball Method for Mechanics Physics Lab is designed for determining the viscosity coefficient of liquids using the falling ball method. The apparatus incorporates photoelectric timing and laser detection technology to accurately measure the travel time of a falling ball, eliminating human timing errors associated with conventional stopwatch measurements. By combining modern sensing techniques with classical fluid mechanics principles, the system provides a reliable and effective platform for studying liquid flow behavior, viscosity measurement methods, and experimental data analysis.

Manufactured by Atico Export India.

Experimental Principle and Content

• Measure the Viscosity Coefficient of Liquids Using the Falling Ball Method
• Determine the Falling Time of Steel Balls Using Photoelectric Timing
• Compare Photoelectric Timing Results with Conventional Stopwatch Measurements
• Analyze the Influence of Timing Accuracy on Viscosity Calculations
• Study the Relationship Between Fluid Properties and Flow Resistance

Educational Objectives

• Understand the Concept of Liquid Viscosity and Its Significance
• Learn the Principles of the Falling Ball Method
• Gain Experience with Photoelectric Sensing and Timing Systems
• Compare Traditional and Modern Measurement Techniques
• Develop Skills in Experimental Data Collection and Analysis

Electronic Timer :

• Displacement Range: 400 mm
• Resolution: 1 mm

Timing Range :

• 0–250 s
• Resolution: 0.1 s

Measuring Cylinder :

• Volume: 1000 mL
• Height: 400 mm

Measurement Accuracy :

• Error Less Than 3%

Standard Supply

• Stand Rack × 1
• Main Unit × 1
• Laser Emitters × 2
• Laser Receivers × 2
• Connection Wire × 1
• Measuring Cylinder × 1
• Small Steel Balls × 60 pcs
  • 20 pcs × 1.5 mm Diameter
  • 20 pcs × 2.0 mm Diameter
  • 20 pcs × 2.5 mm Diameter
• Magnetic Steel × 1
• Power Cord × 1
• Instruction Manual × 1

• Photoelectric Timing System
• High Measurement Accuracy
• Reliable and Repeatable Results
• Ideal for Fluid Mechanics Education