Charles's Law experimental apparatus
This is a tabletop experimental device that demonstrates Charles's (Gay-Lussac's) law, which shows that the volume of an ideal gas is proportional to its absolute temperature when the pressure is constant. A pressure sensor and thermocouples (three locations) are installed in a heater-equipped adiabatic container, and each measurement data is displayed digitally. One thermocouple measures the surface temperature of the heater for control, while the other two measure the air temperature inside the container. The digital display shows the pressure inside the container, the air temperatures at two locations, and their average value. It measures the relationship between the pressure and temperature of an ideal gas (air) to demonstrate Charles's law. The device can also operate in reverse. After heating with the valve open and releasing the air inside the container, the valve is closed. Then, as the container cools down, the pressure and temperature drop are recorded. This allows for results to be obtained under various starting points and surrounding conditions. The optional VDAS automatic recording function is useful for slow natural cooling experiments. By using the optional (sold separately) data automatic collection system (VDAS-B), various data can be collected and analyzed in real-time on a PC (sold separately).
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basic information
TD1001 Specifications Dimensions and Weight: W630 x D520 x H600mm, approximately 18kg Power Supply: AC100V or AC200V, 50/60Hz, 1.0A Maximum Experimental Pressure: Approximately 120kPa (absolute pressure) Sensor Allowable Pressure: Approximately 160kPa (absolute pressure) Container Volume: Approximately 1L Maximum Temperature: Approximately 65℃ Temperature Control: PID Control Thermocouples: 3 locations, digital display Noise Level: Below 70dB Operating Temperature Range: +15℃ to +30℃ *This device measures pressure and temperature under normal atmospheric pressure. To obtain the best measurement results, maintain the laboratory temperature around 20℃ and conduct experiments away from surrounding heat sources.
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Applications/Examples of results
This is a tabletop experimental device that demonstrates Charles's (Gay-Lussac's) law, which shows that the volume of an ideal gas is proportional to its absolute temperature when the pressure is constant. A pressure sensor and three thermocouples are installed in a heater-equipped adiabatic container, and each measurement data is displayed digitally. One thermocouple measures the surface temperature of the heater for control purposes, while the other two thermocouples measure the air temperature inside the container.
Detailed information
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Screen diagram of VDAS-B (sold separately)
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Insulated container diagram
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Megakemu designs, manufactures, and imports various experimental and practical equipment for universities, junior colleges, technical colleges, high schools, and vocational schools nationwide. While the world has made advancements in various fields, it seems that our Earth's environment is being disturbed by ourselves and is approaching its limits. The world is seeking new Japanese technologies that coexist with the Earth's environment.