WALFRONT Vacuum Bell Jar with Sound Physics Demonstration Cloche Jar with PVC Transparent Hood Teaching Tools for Classroom Laboratory
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Walfront

WALFRONT Vacuum Bell Jar with Sound Physics Demonstration Cloche Jar with PVC Transparent Hood Teaching Tools for Classroom Laboratory

Vacuum Sound Jar: Place the electric bell in the jar, and you can hear a clear bell, and then pull out the air, the bell will gradually weaken until no sound can be heard.

โ‚ฌ42.24
F 35.5 /100
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Topelio Score

F

Topelio Score

Poor

35.5
out of 100

Product with limited performance. Critical point: review count.

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30% weight
Review Count

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0/100
20% weight
Price Stability

Consistency of price history

50/100
20% weight
Availability

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70/100
15% weight
Promo Authenticity

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100/100
15% weight

Updated 2 months ago

In Stock
Category: Measurement Kits
Vacuum Sound Jar: Place the electric bell in the jar, and you can hear a clear bell, and then pull out the air, the bell will gradually weaken until no sound can be heard. Close the exhaust valve, so that students can observe. The bell still keeps ringing, but no sound can be heard
  • Vacuum Sound Jar: Place the electric bell in the jar, and you can hear a clear bell, and then pull out the air, the bell will gradually weaken until no sound can be heard. Close the exhaust valve, so that students can observe. The bell still keeps ringing, but no sound can be heard
  • More Experiments: A cup of boiling hot water has been discharged into the bell jar, and then pumped, you can see that the hot water in the cup 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 Operation: The operation of the sound physics demonstration is very simple, so students can have better and happier learning in class
  • Made Of Good PVC: Adopting premium PVC material, the transparent hood can clearly demonstrate the electric bell inside, very easy to check
  • Convenient Carry: Comes with a light weight and a compact size as well, the whole vacuum bell jar set is very convenient to carry to outdoor

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Price Positioning

36% moins cher que la moyenne
Bon rapport qualitรฉ-prix
Percentile: 22%
Budget Mid-Range Premium
Category Min 40.95โ‚ฌ
Category Average 66.06โ‚ฌ
Category Max 159.99โ‚ฌ

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Product Info

Brand
Walfront
Manufacturer
WALFRONT
Model
WALFRONT9k5tszgb7n
Sales Rank
#1,210,104
Identifiers
ASIN
B0DK8F4J74
Last Updated
3 months ago

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โ‚ฌ42.24
In Stock
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