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ValuLine™ ES Desiccators
Extended Storage Systems

Plastic ValuLine Desiccator
Plastic ValuLine Desiccator The optional Smart Control Module is placed into the upper-right corner of the ValuLine ES Desiccator with gas feeds and power cord. Two Phillips-head screws hold the module in place. Installation is complete in a few minutes; refer to User Guide 1788-07 for details.
 
Features Key
  Standard
  Option

A Flowmeter
B Grounding terminal (SDPVC models)
C Chrome-plated hinges
D Expansion latch
E Material: acrylic (E1) or static-dissipative pvc (E2)
F Shelves (reinforced plastic or stainless steel)
G Chrome-plated wire racks
H Reinforced doors
I Relief/Bleed Valve
J Thermohygrometer
  Powder-coated stands

humidity level minimal

CE


ValuLine Extended Storage Desiccators provide the strength and durability of Terra’s other desiccator lines for long-term storage requirements that don’t demand frequent parts access. These cabinets are also ideal for general-purpose storage applications where recovering a low-humidity condition after opening a door is not critical.
  • Reinforced doors and rigid cabinet construction ensure a long service life
  • Select economical acrylic or static-dissipative PVC for electro-static protection and enhanced particle control
  • Adjustable-height acrylic or electropolished stainless steel shelves (order separately) accommodate a variety of sample sizes
  • Easy-clean rounded corners makes these cabinets ideal for particle-sensitive applications
  • Install an optional Smart module for automatic control of nitrogen purges to maintain the pre-programmed RH level
  • Flowmeter and Automatic RB® (Relief/Bleed) valve allow nitrogen purging for dry storage requirements (order separately)
  • Also ideal for use with desiccant or as a general-purpose dust-free storage cabinet
  • Select Terra’s ValuLine or Adjust-A-Shelf™ Desiccators for rapid low-RH recovery in applications that require frequent access to parts

Terra’s ValuLine Extended Storage (ES) Desiccators combine low cost and strength for operations that don’t require rapid recovery of critical low-humidity setpoints. Add the optional Smart control module (order information below) for automatic RH set-point maintenance.

Designed for use with a nitrogen purge, a desiccant, or simply for clean storage, these cabinets feature heavy-duty chrome-plated hinges and reinforced doors with closed-cell gaskets for a long, reliable service life. Expansion latches provide a positive seal without internal scraping caused by rotary-style latches. The closing mechanism is positioned outside the cabinet to keep stored materials clean.

Economical acrylic models provide strength and full visibility of stored parts. For applications that require wipe-down with alcohol or other strong cleaning agents, choose chemical-resistant static-dissipative PVC, which also protects stored samples against electro-static discharge (ESD). By safely removing surface charges, it also eliminates particle attractions and enhances cleanliness.

All models below include chrome-plated wire racks for shelf positioning. Select desired shelves, flowmeter, automatic Relief/Bleed (RB) Valve, and stand separately.

Inside height of individual chambers is 11.75" (298 mm).


  FEATURES & BENEFITS | ValuLine ES Desiccator
Alt Text
Reinforced Doors
Stainless steel reinforcing bar provides added durability
Thermohygrometer
Displays internal temperature and relative humidity
SmartDesiccator Module
Optional module provides automated control of RH levels

Relief-Bleed Valve
One way-valve relieves pressure and releases moisture-laden air

One-Piece Gasket
Mechanically attached, non-outgassing door seal

Flowmeter
Optional flowmeter maintains a constant flow of nitrogen gas

ValuLine Extended Storage (ES) Desiccator*,***
Specifications Clear Acrylic** Static-Dissipative PVC
No of
Chambers
Nominal Dimensions
W" x D" x H" (mm)
Nominal Inside Dimensions
W" x D" (mm)
Cat. # Price Cat. # Price
1 19.125 x 16 x 13.25 
(486 x 406 x 337)
15 x 14.375
(381 x 365)
3949-25C $ 301 3949-30C $ 450
2 19.125 x 16 x 25.25
(486 x 406 x 641)
15 x 14.375 
(381 x 365)
3949-26B $ 603 3949-31B $ 902
3 19.125 x 16 x 37.25
(486 x 406 x 946)
15 x 14.375 
(381 x 365)
3949-27B $ 1,015 3949-32C $ 1,277
4 19.125 x 16 x 49.25
(486 x 406 x 1251)
15 x 14.375 
(381 x 365)
3949-28C $ 1,189 3949-33B $ 1,693
5 19.125 x 16 x 61.25
(486 x 406 x 1556)
15 x 14.375 
(381 x 365)
3949-29B $ 1,369 3949-34B $ 2,078
6 36.5 x 16 x 37.25 
(927 x 406 x 946)
15 x 14.375 
(381 x 365)
3949-35B $ 2,054 3949-38B $ 3,117
8 36.5 x 16 x 49.25
(927 x 406 x 1251)
15 x 14.375
(381 x 365)
3949-36B $ 2,464 3949-39B $ 3,740
10 36.5 x 16 x 61.25
(927 x 406 x 1556)
15 x 14.375
(381 x 365)
3949-37C Price 3949-40B Price
* Order desired shelves and stands separately (see below).
** Acrylic is damaged by repeated contact with strong cleaning agents, including alcohol
*** "C" models come with thermohygrometer gauges pre-installed. For "B" models, order the gauge as a separate option.

Save on Base Model desiccators! These new-condition Extended Storage models come with reinforced doors and gasketing to securely store RH-sensitive materials. They accommodate nitrogen feed or desiccant, but are not built to be configured with the Smart module for automated moisture control. We’ve discounted these acrylic and static-dissipative PVC Base Models by 30%. They are in stock and ready to ship.
ValuLine Extended Storage (ES) Base Model Desiccator*
Specifications Clear Acrylic** Static-Dissipative PVC
No of
Chambers
Nominal Dimensions
W" x D" x H" (mm)
Nominal Inside Dimensions
W" x D" (mm)
Cat. # Price Cat. # Price
1 19.125 x 16 x 13.25 
(486 x 406 x 337)
15 x 14.375
(381 x 365)
--- --- --- ---
2 19.125 x 16 x 25.25
(486 x 406 x 641)
15 x 14.375 
(381 x 365)
--- --- --- ---
3 19.125 x 16 x 37.25
(486 x 406 x 946)
15 x 14.375 
(381 x 365)
3949-27-EX $ 711 --- ---
4 19.125 x 16 x 49.25
(486 x 406 x 1251)
15 x 14.375 
(381 x 365)
--- --- --- ---
5 19.125 x 16 x 61.25
(486 x 406 x 1556)
15 x 14.375 
(381 x 365)
--- --- 3949-34-EX Price
* Order desired shelves and stands separately (see below).
** Acrylic is damaged by repeated contact with strong cleaning agents, including alcohol

Options

 
Automatic RB (Relief/Bleed) Valve
Relieves excess pressure; require for nitrogen purging.
  Cat. # Price
Automatic Relief/Bleed Valve 1600-60A Price
  Flowmeter
1-10 SCFH
  Cat. # Price
Flowmeter 1600-31 Price

Thermohygrometer
Add this battery-powered, digital thermohygrometer to your desiccator cabinet to get a real-time display of internal relative humidity and temperature, expressed in degrees Fahrenheit. One per cabinet (installed), regardless of chamber quantity.

 

  Cat. # Price
Thermohygrometer 3949-60 Price
Thermohygrometer

Shelves
Order desired shelves separately:
SS-reinforced plastic (top), electropolished 304 SS perforated (center) or electropolished SS solid (bottom)
Shelves and Tray
Acrylic shelves feature stainless steel front and back reinforcements to prevent bowing. Solid or perforated electropolished 304 stainless steel shelves are sealed in plastic before shipping to minimize contamination.

Trays can be used for storage within the desiccator, and are a convenient way to carry parts after they are removed.

Shelves and Trays
Material All Other
ValuLine™ Desiccators
Cat. # Price
Reinforced Acrylic Shelf 1976-01 Price
Perforated EP 304 SS Shelf* 1976-02 Price
Solid 304 EP SS Shelf* 1976-05 Price
Solid 304 EP SS Tray* 1976-04 Price
* Shelves are individually polybagged and sealed after electropolishing to prevent surface contamination.

Powder-Coated Stand
Raise cabinets 4". Noncontaminating nylon leveling feet included. Select optional casters below. Recommended for cabinets with more than three chambers to allow floor positioning.

  For Cabinets with Cat. # Price
Stand 1 – 5 chambers 1740-34 Price
Stand 6 – 10 chambers 1740-35 Price
Casters (set of 4) 1700-44 Price

Hunidity Module

Smart Relative Humidity Control Module
Can be retrofitted into any cabinet above to convert a ValuLine ES Desiccator into a ValuLine SmartDesiccator™, capable of automatically controlling moisture for storing sensitive parts and materials.

Smart Module can be installed in a few minutes using a Phillips screwdriver. After gas tube and power cord are in place, the module is ready to start maintaining the programmed %RH set-point by as-needed purging with nitrogen. 

Refer to User Guide document no. 1788-07 for detailed retro-fit instructions. Installation kit with 0.25" polyethylene tubing is included with module.

Cat. # Price
1911-30B-VL Price

File Type File Name Publication Date
White Paper (PDF) On-Site Nitrogen Generation: Cheaper, Easier, More Reliable
Learn how on-site nitrogen generation saves money by not having to order canisters of inert gas for desiccators, glove boxes and analytical instruments. You can make your own purified nitrogen from compressed air using a sophisticated membrane module (find out how it works!).
06/15/2015
Tech Resource (PDF) Why Desiccator Storage?
A technical overview to how desiccators extend shelf lives and increase product yields.
05/18/2015
Tech Resource (PDF) Why Terra Desiccators?
Compare the many design and fabrication features that make Terra desiccators the most efficient and durable cabinets available.
05/18/2015
Tech Resource (PDF) Why Use Nitrogen?
A guide to how nitrogen purging protects moisture-sensitive materials.
05/18/2015
Tech Resource (PDF) Desiccator Installation and Cleaning
Recommended cleaning techniques and agents for various desiccator materials.
05/18/2015
Manual (PDF) ValuLine Desiccators: Doc. #1788-07
ValuLine Desiccator Installation and Operating Guide, including installation instructions for the SmartDesiccator relative-humidity module.
08/23/2016
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