Shopping Cart

Your cart is empty.

Your cart is empty.

Vacuum Jar with Base, Sound Physics Demonstration, Vacuuming Demonstration Hood Teaching Tools for Classroom Laboratory, Vacuum Jar Set, Easy

Free shipping on orders over $29.99

$47.64

$ 24 .99 $24.99

In Stock
  • VACUUM SOUND JAR: Place the electric in the jar, and hear a clear bell, pull out the air, the will gradually weaken until no sound heard. Close the exhaust valve, so that students can observe. The still keeps ringing, but no sound heard.
  • MORE EXPERIMENTS: A cup of boiling has been discharged into the jar, pumped, see that the in is boiling again. In addition, this instrument can also be used for experiments such as vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure.
  • SIMPLE The of the sound physics demonstration is very simple, so students can have better and happier learning in class.
  • GOOD PVC: Adopting premium PVC material, the transparent hood can clearly demonstrate the electric inside, to check.
  • CONVENIENT CARRY: Comes with a and a compact size as well, the whole vacuum jar set is very convenient to carry to outdoor.



Product Description

1018230017311-1

Vacuum Bell Jar with Base, Sound Physics Demonstration, Vacuuming Demonstration Hood Teaching Tools for Classroom Laboratory, Vacuum Bell Jar Set, Easy Operation

YT


MORE EXPERIMENTS: A cup of boiling has been discharged into the bell jar, pumped, see that the in is boiling again. In addition, this instrument can also be used for experiments such as vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure.


GOOD PVC: Adopting premium PVC material, the transparent hood can clearly demonstrate the electric bell inside, to check.


VACUUM SOUND JAR: Place the electric bell in the jar, and hear a clear bell, pull out the air, the bell will gradually weaken until no sound heard. Close the exhaust valve, so that students can observe. The bell still keeps ringing, but no sound heard.

1

1018230017311-2

1018230017311-3

1

1018230017311-2

1018230017311-3


1. Vacuum Sound Jar: Place the electric bell in the jar, and hear a clear bell, pull out the air, the bell will gradually weaken until no sound heard. Close the exhaust valve, so that students can observe. The bell still keeps ringing, but no sound heard.


2. More Experiments: A cup of boiling has been discharged into the bell jar, pumped, see that the in is boiling again. In addition, this instrument can also be used for experiments such as vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure.


3. Simple Operation: The operation of the sound physics demonstration is very simple, so students can have better and happier learning in class.


4. Good PVC: Adopting premium PVC material, the transparent hood can clearly demonstrate the electric bell inside, to check.


5. Convenient Carry: Comes with a and a compact size as well, the whole vacuum bell jar set is very convenient to carry to outdoor.



Spec:


Item Type: Vacuum Bell Jar


Material: PVC


Battery: 2 x AA battery, shipped without batteries.



PackageList:


1 xVacuum Bell Jar


1 x Bell


1 x Vacuuming Plate



Recommended Products