CHEOTIME Vacuum Jar with Base, Sound Physics Demonstration Glass Vacuum Bell Jar Hood Disc Bell in Vacuum Laboratory Jar for Classroom Laboratory
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CHEOTIME

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Vacuum Sound Jar: Put the electric sound tank into the tank, hear a clear bell sound, pump out the air, the sound will gradually weaken until it can no longer be heard.

โ‚ฌ54.33
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Topelio Score

Poor

35.5
out of 100

Product with limited performance. Critical point: review count.

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Customer Rating

Average Amazon user rating

0/100
30% weight
Review Count

Volume and reliability of reviews

0/100
20% weight
Price Stability

Consistency of price history

50/100
20% weight
Availability

Stock reliability

70/100
15% weight
Promo Authenticity

Truthfulness of advertised discounts

100/100
15% weight

Updated 3 months ago

In Stock
Category: Measurement Kits
Vacuum Sound Jar: Put the electric sound tank into the tank, hear a clear bell sound, pump out the air, the sound will gradually weaken until it can no longer be heard. Close the exhaust valve so that students can observe. The sound is still ringing, but no sound can be heard.
  • Vacuum Sound Jar: Put the electric sound tank into the tank, hear a clear bell sound, pump out the air, the sound will gradually weaken until it can no longer be heard. Close the exhaust valve so that students can observe. The sound is still ringing, but no sound can be heard.
  • More Experiments: Pour a cup of boiling water into the jar, pump air, and see it boil again. In addition, the instrument can also be used for experiments such as vacuum fountain, evaporation ice, vacuum coating, and atmospheric pressure.
  • PVC Material: The vacuum bell jar is made of high-quality PVC material, and the transparent cover can clearly display the internal electrical conditions for easy inspection.
  • Easy to Use: The running of the sound physics demonstrator is very simple, so students can learn better and happier in class. It is a good work for educational demonstration, laboratory experiment teaching, gift demonstration, desktop decoration, etc.
  • Easy to Carry: The whole set of vacuum bell jar is light weight and small size, very easy to carry outdoors. Package includes 1 x vacuum bell jar; 1 x bell jar; 1 x vacuum plate.

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Price Positioning

18% moins cher que la moyenne
Haut de gamme
Percentile: 67%
Budget Mid-Range Premium
Category Min 40.95โ‚ฌ
Category Average 66.06โ‚ฌ
Category Max 159.99โ‚ฌ

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Key Specifications

Specifications
Dimensions
inches ร— Width ร— en_US ร— 8.267716527 ร— inches ร— Height ร— en_US ร— 7.87401574 ร— inches ร— Length ร— en_US ร— 11.023622036

Product Info

Brand
CHEOTIME
Model
CHEOTIME06i8tepr5z
Dimensions
inches ร— Width ร— en_US ร— 8.267716527 ร— inches ร— Height ร— en_US ร— 7.87401574 ร— inches ร— Length ร— en_US ร— 11.023622036
Identifiers
ASIN
B0DZCVN81N

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โ‚ฌ54.33
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