Air pump plate with electrical connections
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Product Code : SCL-PLE-10388
The Air Pump Plate with Electrical Connections from Lab Glassware Manufacturer, based in Ambala, Haryana, India, is a physics laboratory vacuum accessory used with a bell jar and vacuum pump where electrical feedthroughs are required inside a reduced-pressure chamber. Lab Glassware Manufacturer has manufactured and exported physics lab equipment since 1982 to schools, colleges and universities across countries including Guyana, Suriname, and Brazil in the Guiana Shield region.
Quick answer: This is a baseplate fitted with electrical terminals that seals under a vacuum bell jar, allowing wired components such as a bell or lamp to be powered and observed while the chamber is evacuated.
| Specification | Detail |
|---|---|
| Product Name | Air Pump Plate with Electrical Connections |
| Function | Vacuum baseplate with electrical feedthrough terminals |
| Brand / Supplier | Lab Glassware Manufacturer |
| Category | Physics Lab Equipment – Vacuum Apparatus / Bell Jar Accessories |
Why Use a Plate with Electrical Connections?
Classic vacuum demonstrations, such as showing an electric bell fade to silence under vacuum, require power to reach a component sealed inside the bell jar. This plate provides sealed electrical terminals so wiring can pass through the vacuum seal without breaking the pressure.
Frequently Asked Questions
Q: What is this plate used for?
A: It seals under a vacuum bell jar and provides electrical terminals so a wired component inside the chamber can be powered while air is evacuated.
Q: Is the bell jar included?
A: This listing is for the plate only; pair it with our DURAN Glass Vacuum Bell and a compatible vacuum pump for a complete setup.
Q: What experiments use this plate?
A: A common demonstration is showing an electric bell grow fainter as air is pumped out, illustrating that sound needs a medium to travel.
Q: Does Lab Glassware Manufacturer export this internationally?
A: Yes, we manufacture and export physics lab equipment from Ambala, Haryana, India to schools, colleges and distributors worldwide.
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Last updated: September 2026
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