Apparatus of Measuring Superconducting Critical Temperature for Advanced Physics Lab

The Apparatus of Measuring Superconducting Critical Temperature for Advanced Physics Lab is designed for investigating superconducting phenomena and determining the critical temperature (Tc) of superconducting materials. The system enables accurate measurement of the relationship between electrical resistance and temperature, allowing students to study the transition from the normal conducting state to the superconducting state. Using a four-lead measurement technique, the apparatus provides high-precision resistance measurements over a wide current range. This allows detailed analysis of superconducting behavior during both heating and cooling processes. The included superconducting wire sample offers excellent stability, durability, and long-term storage capability under normal laboratory conditions. The system utilizes liquid nitrogen to achieve cryogenic temperatures required for superconductivity experiments. A dedicated Dewar vessel and experimental probe assembly provide a safe and effective environment for conducting low-temperature measurements. Physics Lab Experiments from Atico Exports.

Study Superconducting Phenomena:

• Investigate the transition between normal conductivity and superconductivity
• Understand the fundamental properties of superconducting materials

Measure Critical Temperature (Tc):

• Determine the critical temperature from resistance-temperature characteristics
• Analyze superconducting transition behavior

Analyze Resistance-Temperature Characteristics:

• Measure electrical resistance over a broad temperature range
• Evaluate the relationship between resistance and temperature

Gain Experience with Cryogenic Techniques:

• Learn practical use of liquid nitrogen
• Perform low-temperature measurement experiments

Investigate Current Effects on Superconducting Behavior:

• Study resistance variations at different current levels
• Analyze the influence of current on superconducting transition

Experimental Sample:

• BSCCO Superconducting Wire

Sample Current:

• 0 – 110 mA
• Continuously Adjustable

Sample Resistance Measurement Resolution:

• 0.1 mΩ

Operating Temperature Range:

• 77 K – 300 K

Thermometer Current:

• 1 mA

Temperature Measurement Resolution:

• 0.1 K

Liquid Nitrogen Container Capacity:

• 3 Liters

Liquid Nitrogen Container Opening:

• 50 mm

Experimental Probe Length:

• 62 cm

Power Consumption:

• 20 W

Parts List:

Main Electrical Unit:

• Quantity: 1

Liquid Nitrogen Dewar:

• Quantity: 1

Experimental Probe:

• Quantity: 1

Superconducting Sample (Mounted on Probe):

• Quantity: 1

7-Core Cable:

• Quantity: 1

Serial Data Cable:

• Quantity: 1

USB to RS232 Converter Cable:

• Quantity: 1

Power Cord:

• Quantity: 1

Software and Instruction Manual (CD):

• Quantity: 1

• Four-Lead Measurement Method for High Accuracy
• Manual Data Recording and Software-Based Data Acquisition
• Durable Superconducting Sample Suitable for Room Temperature Storage
• Wide Sample Current Range
• Precise Resistance and Temperature Measurement
• Ideal for Superconductivity Studies and Cryogenic Experiments