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  • Bel-Art Scienceware 420290000 Polycarbonate Techni-Dome Vacuum Desiccator with 1 Gas Port, 22" Width x 22" Height
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Bel-Art Scienceware 420290000 Polycarbonate Techni-Dome Vacuum Desiccator with 1 Gas Port, 22" Width x 22" Height

2 customer reviews

Price: $409.65 & FREE Shipping. Details
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  • Large vacuum desiccator with one gas port that can be closed for use with standard desiccants
  • Hemispherical top and bottom
  • Has a 65L internal volume that can hold items up to 45cm (18"tall or wide
  • Laboratory-grade, chemical-resistant polycarbonate bottom and top
  • Comes with two removable polypropylene shelves, 36.5cm and 22.5cm (14.5" and 9") in diameter
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$409.65 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Product Information

Technical Details
Brand NameBel-Art Products
Item Weight15.4 pounds
Product Dimensions22.2 x 22.2 x 15 inches
Item model number420290000
Number of Items1
Manufacturer Part Number420290000
  
Additional Information
ASINB002VBW9SW
Best Sellers Rank #174,232 in Office Products (See top 100)
Shipping Weight15.4 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableNovember 3, 2009
  
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From the Manufacturer

Desiccators

Desiccators are an economical and reliable way to assure dry, dust-free, and if necessary, air-free storage of humidity sensitive products, such as valuable reagents or electronics.

Depending upon what you are storing, optimal conditions can be achieved using standard desiccants in a manual or automated format, with gas purge or by keeping the contents under vacuum.

When choosing a desiccator the following questions should be considered:

Q. What storage environment is optimal or required?

A. Use this chart for an overview of the environment and benefits each method of desiccation provides.

Standard Desiccant Automated, Standard Desiccant Gas Purge Vacuum
Manual monitoring and operation. Moisture is absorbed from air in the unit by using a desiccant. Once the desiccant is 'saturated' it must be regenerated through heating, or replaced. Electric fans and heaters continuously regenerate the desiccant to prevent saturation and to automatically maintain a low humidity environment. A slow steady flow of inert gas (often dry nitrogen) is provided. Air and moisture are removed by the chamber by use of a vacuum pump.
Flexibility to use any type of desiccant (silica gel beads, activated charcoal, etc) based on economics and convenience. Convenience, requires minimal monitoring. Achieve relative humidity at a much faster rate. Best for total dry storage or if air could be damaging to material being stored.
Portability. Precise control of humidity. Operates on a set schedule of desiccation followed by a regeneration period. Dust free and desirable for many applications including clean room environments. Dust free and desirable for many applications including clean room environments.
Economical functionality. Most desiccants can be regenerated periodically. Process uses silica gel beads that last for thousands of regeneration cycles. Option to close stopcocks and use with regular desiccants. Option to close stopcocks and use with regular desiccants.

What do you need to know to choose the right desiccator?

Q. What size(s) are the items you need to store and in what quantity?

A. Interior volume of the desiccator and shelving should be considered.

Q. How important are ease and economy of use?

A. Each method of desiccation has advantages and trade-offs. Each user must determine the method that best serves their purposes. Using standard desiccants and regenerating them as needed is economical, but requires monitoring. There may also be more variability in your environment. An automated desiccator requires much less monitoring but uses electric power. Gas ported desiccators are quick to achieve relative humidity, but if the unit is accessed frequently, proportionately more gas will be needed to keep the desired low humidity level. Vacuum desiccators remove air and moisture and can be brought back to vacuum rather easily after opening but require a pump.

Once you have determined your most desirable method of desiccation, there are a variety of styles and sizes of desiccators to choose from.

Search by brand name indicated below for more information.

Secador Space Saver Techni-Dome Dry-Keeper Lab Companion Scienceware
Standard Desiccation 0.31 to 1.87ft³ 0.09 to 0.31ft³ 0.14, 0.35, 2.01 & 2.08ft³ 0.21 & 3.6ft³
Automated, Standard Desiccation 0.51 to 1.87ft³ 1.2, 2.01 & 2.08ft³ 3.6ft³
Gas Purge Desiccation 0.31 to 1.87ft³ 2.29ft³ 0.14ft³ 3.6ft³
Vacuum Desiccation 0.09 to 0.31ft³ 2.29ft³ 0.2, 0.4, 0.7, 0.8, 1.2 & 1.6ft³ 0.015 & 0.21ft³

Technical Details

  • Brand Name: Bel-Art Products
  • Part Number: 420290000
  • Number of Items: 1
  • Item Package Quantity: 1

Customer Questions & Answers

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By LP on July 2, 2013
Verified Purchase
Unit meet my expectations of unit. I am very satisfied with the operation of unit. I love that I can get a 3 gallon bucket in it to remove air bubbles from the silicon to made molds. LP
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By Eric Penney on October 14, 2014
Verified Purchase
The one I received did not hold a vacuum and had a leak in the seal.
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Bel-Art Scienceware 420290000 Polycarbonate Techni-Dome Vacuum Desiccator with 1 Gas Port, 22" Width x 22" Height
This item: Bel-Art Scienceware 420290000 Polycarbonate Techni-Dome Vacuum Desiccator with 1 Gas Port, 22" Width x 22" Height
Price: $409.65
Ships from and sold by Amazon.com
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