Fockety Vacuum Bell Jar with Base, Bell in Vacuum Jar Transparent PVC Demonstration Hood Vaccum Demonstration Kit Sound Physics Hood Disc for Laboratory
/
/
Fockety

Fockety Vacuum Bell Jar with Base, Bell in Vacuum Jar Transparent PVC Demonstration Hood Vaccum Demonstration Kit Sound Physics Hood Disc for Laboratory

【VACUUM SOUND JAR】The bell in a vacuum can be used to demonstrate several properties of a vacuum such as Boyle's Law, inability for sound to propagate in a vacuum.

€32.90
F 35.5 /100
Garantie Amazon
Nouveau produit Prix élevé
Lowest price in 90 days!
View on Amazon (opens in new window)

Topelio Score

F

Topelio Score

Poor

35.5
out of 100

Product with limited performance. Critical point: review count.

Score Breakdown

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 2 місяці тому

In Stock
Category: Toys Category Page
【VACUUM SOUND JAR】The bell in a vacuum can be used to demonstrate several properties of a vacuum such as Boyle's Law, inability for sound to propagate in a vacuum. The operation of the sound physics demonstration is very simple, so students can have better and happier learning in class.
  • 【VACUUM SOUND JAR】The bell in a vacuum can be used to demonstrate several properties of a vacuum such as Boyle's Law, inability for sound to propagate in a vacuum. The operation of the sound physics demonstration is very simple, so students can have better and happier learning in class.
  • 【VARIOUS VACUUM 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】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. Notice: you need a vacuum pump to do the experiment.
  • 【QUALITY MATERIAL】This bell in acrylic vacuum jar aparatus adopts premium PVC material, the transparent hood can clearly demonstrate the electric bell inside, very easy to check. This vacuum sound jar comes with a light weight and a compact size as well, the whole vacuum bell jar set is very convenient to carry to outdoor.
  • 【100% QUALITY ASSURANCE】We are very confident in the quality of this vacuum bell jar & plate, and provide 24 months or refund for it. Please feel to us if you have any questions about your purchase. We will solve your problem within 24 hours.

User Reviews

( Reviews)

Be the first to review

You have already rated this product.
No reviews yet

Price Positioning

151% au-dessus de la moyenne
Premium / Luxe
Percentile: 96%
Budget Mid-Range Premium
Category Min 1.69€
Category Average 13.12€
Category Max 61.95€

Total Cost of Ownership

Estimate the real cost over the product's lifetime.

1 15
Total cost
Annual cost
/year
Monthly cost
/month

Cost breakdown

Cost details

Calculating...

Estimates based on average data. Actual costs may vary depending on usage and local rates.

Loading content...

Product Info

Brand
Fockety
Identifiers
ASIN
B0CKVM8YBP
Last Updated
3 місяці тому

Price trend analysis

N/A

Trend unknown

Insufficient data to analyze price trend.

Weak

Our recommendation

Watch the price

We recommend monitoring price evolution before buying. Set a price alert to be notified of drops.

Best time: Wait a few days to observe evolution

Price predictions

7 days

Cannot predict

20%

confidence

€32.90
In Stock
View on Amazon (opens in new window)