Measuring Liquid Viscosity Capillary Method Lab Experiments

This apparatus is designed for the study of fluid viscosity and surface tension using the Ostwald viscometer method. It enables students to understand Poiseuille’s Law and accurately determine the viscous and surface tension coefficients of liquids under controlled temperature conditions. Manufactured by Atico Export India.

Experiments:

1. Verification of Poiseuille’s Law

• Study laminar flow through a capillary tube
• Investigate the relationship between flow rate, pressure difference, and capillary dimensions
• Verify the principles of Poiseuille’s Law experimentally

2. Viscosity Coefficient Measurement

• Measure the viscosity coefficient of liquids using the Ostwald viscometer method
• Compare viscosities of different liquids
• Analyze the influence of temperature on fluid viscosity

3. Surface Tension Coefficient Determination

• Determine the surface tension coefficient of liquids
• Investigate intermolecular effects on liquid behavior
• Compare surface tension properties of different samples

• Viscosity Measurements
• Surface Tension Studies
• Poiseuille’s Law Verification
• Fluid Flow Investigations
• Physical Chemistry Experiments
• Fluid Mechanics Education
• Undergraduate Physics Laboratory Training

Temperature Controller

• Temperature Range: Ambient to 45 °C
• Resolution: 0.1 °C

Stopwatch

• Resolution: 0.01 s

Motor

• Adjustable Speed
• Power Supply: 4 V to 11 V

Ostwald Viscometer

• Capillary Tube Inner Diameter: 0.55 mm
• Capillary Tube Length: 102 mm

Beaker

• Capacity: 1.5 L

Pipette

• Capacity: 1 L

• Temperature-Controlled Measurements for Improved Accuracy
• Suitable for Both Viscosity and Surface Tension Experiments
• Precision Capillary Tube Design
• Simple and Reliable Experimental Procedure
• Adjustable Flow System for Flexible Operation
• Ideal for Physics, Chemistry, and Engineering Laboratories