Pressure Gauge for Microscale Vacuum Apparatus - Microscale Science


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Pressure Gauge for Microscale Vacuum Apparatus
VAC-25

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Pressure Gauge for Microscale Vacuum Apparatus

Larger View

Your students see how a pressure gauge actually works! When the pressure gauge is placed in our bell jar (VAC-10), and evacuated, it reads nearly one atmospheric pressure, or 14psi at sea level, calibrated in metric and English. The internal mechanism of the gauge is visible from the back. This Bourdon tube gauge measures the difference between ambient pressure and another pressure, such as vacuum. This is called gauge pressure. Requires Microscale Vacuum Apparatus, VAC-10 sold separately.

Hydraulic/Pneumatic Apparatus

Water or air can be used to lift objects using a small amount of force.

Magdeburg Vacuum Plates with pump

When a simple hand pump is used to evacuate the Magdeburg plates, about 140 pounds of force are needed to separate them.

Microscale Vacuum Apparatus

Students can safely produce a vacuum in a small bell jar right at their lab stations.

Molecular Mass Cylinder & Pump

This rigid cylinder filled with air can be evacuated, then used to obtain the molecular mass of a gas.