Understanding Pressure Kit at Educational Innovations


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Understanding Pressure Kit
BAR-300

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$49.95 ea.

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How can we comprehend the great pressure of the Earth's atmosphere? Our Atmospheric Pressure Bar makes this possible. With a weight of just over 10 Newtons, and with a square centimeter cross section, it exerts pressure on your hand equal to a normal day's atmospheric pressure at sea level (1 atm). Three pads included can spread the force over larger areas, helping students distinguish between force and pressure. Expressed in units besides one atmosphere, this bar exerts 101.3 kiloPascals or 10.13N/cm² , 760 torr, 1013 millibars, and 1.013 bars of pressure. Yes, this "bar" exerts exactly one bar (a metric unit) of pressure. Samples illustrating 1 millibar, 1 torr, and 1 Pascal are included, as well as instructions and questions.

Eco-celli Barometer - allow additional shipping time

No More Mercury!! The Eco-celli Barometer is a must in every science classroom! It is safe, accurate, and easy to use!

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.

Pressure Gauge for Microscale Vacuum Apparatus (New for 2008)

This Bourdon tube gauge measures the difference between ambient pressure and the pressure of a vacuum. (For use with Microscale Vacuum Apparatus, VAC-10 sold separately.)