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Terra Part #PriceShips in
Benchtop 304 Stainless Steel 1 21.5" 20.5" 16.5" 1911-02C 49039 $3,1721-3 Days2
Benchtop Acrylic 1 16.625" 17.5" 11.625" 1911-45A 49026 $1,4381-3 Days3
Benchtop Acrylic 1 22.125" 17.5" 11.625" 1911-43A 49027 $1,5631-3 Days4
Benchtop Acrylic 1 22.125" 23.5" 11.625" 1911-41A 49028 $1,66510-14 Days5
Benchtop Acrylic 2 16.625" 17.5" 11.625" 1911-16D 49029 $1,7691-3 Days6
Benchtop Acrylic 2 22.125" 17.5" 11.625" 1911-17D 49030 $1,9111-3 Days7
Benchtop Acrylic 2 22.125" 23.5" 11.625" 1911-18D 49031 $2,1391-3 Days8
Benchtop Static Dissipative PVC 1 16.625" 17.5" 11.625" 1911-46A 49033 $1,8431-3 Days9
Benchtop Static Dissipative PVC 1 22.125" 17.5" 11.625" 1911-44A 49034 $2,2391-3 Days10
Benchtop Static Dissipative PVC 1 22.125" 23.5" 11.625" 1911-42A 49035 $2,3681-3 Days11
Benchtop Static Dissipative PVC 2 16.625" 17.5" 11.625" 1911-22D 49036 $2,4021-3 Days12
Benchtop Static Dissipative PVC 2 22.125" 17.5" 11.625" 1911-23D 49037 $2,6561-3 Days13
Benchtop Static Dissipative PVC 2 22.125" 23.5" 11.625" 1911-24D 49038 $2,9021-3 Days14
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Product Details

• Smart® gas-purge desiccator cabinet automates low-humidity control down to 0% RH

• Ideal for moisture-sensitive materials: microelectronics, medical devices, pharmaceutical powders

• Gas control system auto-adjusts nitrogen purge to maintain sub-ambient humidity set point

• Fast-acting and economical; maintains below 10% RH with 78% less nitrogen than manual flow meter

• Fully integrated turnkey system takes seconds to install and program

• Smart® nitrogen desiccator cabinet features automated RH control that toggles nitrogen inflow (binary on/off) for fast setpoint response. Minimizes moisture and oxygen related degradation to optimize yields.

• Mini LED display and built-in RH sensor simplifies installation. Operation requires only one gas line and one low voltage power connection.

Cabinet Design:

Innovative wall fusing technology on plastic designs creates a rigid, durable structure for improved weight capacity and resistance to high-frequency vibrations.

Choose chamber material to match your application and budget:

Low cost acrylic.

ESD-safe and chemical resistant static-dissipative PVC (SD-PVC).

Heavy-duty 304-grade stainless steel for sterile and ESD-safe applications.

Automatic relief/bleed (RB) valves continuously bleed off excess internal gas in only one direction. Helps maintain a slight positive pressure inside the desiccator cabinet without allowing contaminants inside.

Built-in shelf rack provides high-capacity, organized storage (removable shelves sold separately).

Door Design:

Stainless steel door frame increases structural rigidity for a tighter seal and longer service life.

Santoprene® “e”-shape non-outgassing rubber gasket firmly compresses to eliminate leaks. The one-piece resilient rubber gasket maintains its shape after compression and won't flatten, warp, crack, or degrade like ordinary foam gasket. Gasket is also mechanically attached to the door frame to avoid adhesive failure common with gasket tapes.

Heavy-duty lift latches prevent metal-on-metal scraping common with rotary latches; chrome-plated included standard; upgrade to all-stainless steel (304 or 316) to minimize scratching, corrosion and contamination resulting over time that can occur with chrome-plated latches.

• Durable 304 stainless steel hinges eliminate corrosion, flaking, and contamination that commonly occur with ordinary chrome-plated hinges.

Optional Accessories:

Locking lift latches: specify one per chamber.

Nitrogen generator: provides a continuous, reliable supply of pure, dry nitrogen to eliminate dependence on bulky canisters.

ErgoHeight™ automatic height adjusting table: perfect for workstations holding heavy or fragile equipment that require frequent height adjustment.

Sliding trays: choose trays to match your application and budget. Stainless steel trays are easy to clean and ESD-safe. Perforated designs help enhance gas distribution inside the cabinet while solid designs are suitable for small parts and containing spills. Low-cost acrylic trays offer greater visual transparency.

Replacement door(s): helps avoid costly operation delays and exposure of sensitive stored material, should a door ever be damaged and require immediate replacement.

Marks & Listings: CE, UL, ULC

Smart® Plastic Desiccator Cabinet

Standard Features

  • A Humidity set point controls
    Two-button interface lets user establish a low-humidity set point
  • B % RH Display
    Real-time LED display of chamber humidity; press button to view set-point value
  • C Choice of Materials
    Economical acrylic or static-dissipative PVC, which protects against electro-static discharge and particle attraction (stainless steel Smart Desiccators also available)
  • D Automatic RB Valve
    Releases gas to prevent excessive internal pressure while block influx of ambient air
  • E Stainless Steel Racks
    Allow adjustment of stainless steel shelving to accommodate parts sizes (grounded on SDPVC cabinets)
  • F Stainless Steel Shelf
    One slide-out perforated shelf included (additional shelves and trays available)
  • G Stainless Steel-Framed Doors with One-Piece Gasket
    "e"-profile gasket mechanically attached to stainless steel reinforcement frame to prevent outgassing adhesives; one-piece design won’t slough or separate
  • H LiftLatch
    Ergonomic lifting latch eliminates strain on hinges; external catch eliminates internal contamination. Grounded on SDPVC cabinets
  • I Stainless Steel Hinges
    Non-contaminating hinges contribute to a long service life under heavy use

Not Shown: Nitrogen Generator - Nitrogen Generator provides an uninterrupted supply of nitrogen up to 99% pure to eliminate reliance on bulky gas canisters

Smart® Desiccator Cabinets

  • Desiccators: Features and Design overview
  • Leveling your Desiccator
  • Video Overview of Stainless Steel Desiccator Cabinets Stainless Steel Desiccator Cabinets
  • Smart Desiccator Set-Up
  • Plastic Smart Desiccator Storage Chamber Smart Desiccator Cabinets Automate Dry Storage
Video Overview of Stainless Steel Desiccator Cabinets
Plastic Smart Desiccator Storage Chamber

Features & Benefits

Features and Benefits

Smart Desiccator Essentials


Smart Performance—and Big Savings!

Testing demonstrates the cost benefit of the SmartDesiccator's automated nitrogen control system. Our total nitrogen consumption test was first conducted on a desiccator equipped with a flowmeter, and then with a SmartDesiccator™ control system, under the conditions specified in the chart.

Result: SmartDesiccator™ uses 22% of nitrogen consumed by standard cabinet—a 78% saving!

Smart Desiccator Time to Achieve 10% RH chart
  • Ambient Humidity: 60% RH
  • Temperature: 70°F (21° C)
  • RH Setpoint: 10% RH
  • Test Period: Achieve setpoint and then maintain it for 24 hours
  • Chamber Access: Door opened once every 30 minutes; remains open for one minute
SmartDesiccator™ (blue line on chart)
  • To achieve setpoint: 85 cubic feet (2.4 cubic meters). Required 30 minutes @ 170 CFH (4.81 m3/hr) on high flow.
  • Maintain for 24 hrs: 40 cubic feet (1.1 cubic meters)
  • Total N2 Consumed: 125 cubic feet (3.5 cubic meters)
  • Desiccator with 0 - 20 SCFH flowmeter (red line on chart)
  • To achieve setpoint: 85 cubic feet (2.4 cubic meters). Required over 4 hours @ 20 CFH (0.57 m3/hr).
    Note: Setpoint measured with a hygrometer, since this set up does not monitor humidity level.
  • Maintain for 24 hrs: 480 cubic feet (13.6 cubic meters)
  • Total N2 Consumed: 565 cubic feet (16 cubic meters)

Stainless Steel Racks for Adjustable Shelf Storage Desiccators

Unlike common chrome-plated hardware, durable electropolished stainless steel racks for adjustable shelf storage desiccators help maintain a contamination-free storage environment. They resist corrosion and chipping/scratching from the sliding removable shelves.

Automatic Relief/Bleed Valve

Terra's Automatic Relief/Bleed (RB) Valve opens up at 0.01 PSI, relieving overpressure that could damage desiccators; also works as a check valve to prevent influx of room air.

Smart Module with LED Display

Upgrade your desiccator to an automatic nitrogen control system with Terra's economical, programmable Smart Module.

High Caliber Hardware

Seemingly small details like latches, ports, glides and hinges are often overlooked or ignored by other manufacturers, and later become the point of costly recurring maintenance or equipment failure. Terra’s products are made of long lasting, cleanroom compatible, top tier hardware. Individual components are carefully designed and rigorously tested to guarantee the highest quality, durability, and craftsmanship.

Reinforced Doors with Non-adhesive Gaskets

Stainless steel door frames extend desiccator life; one-piece fused gaskets are non-outgassing, will not creep or sag

Durable Embedded Static-Dissipative Layers

Terra's SDPVC features bonded dissipative layers that resist abrasion. SDPVC desiccators retain their surface resistivity of 106 - 108 ohms/square indefinitely (unlike spray-on coatings that can wear off after a few years), protecting your materials against ESD damage. Further, the control of static charges eliminates particle attractions, helping maintain clean surfaces.

Doors - The First Failure Point of a Desiccator Cabinet

Terra’s stainless steel door frames eliminate the need for internal reinforcements, which create particle surfaces and compromise cleaning. Unlike other doors with glue-on anti-bow pieces, Terra’s doors use no adhesives. This eliminates particle traps, sources of outgassing—and extends the strength and service life of the desiccator.

Highest Standards For Desiccators and Electronic Components

Terra’s desiccator cabinets and RH control systems are designed and built to the highest standards required by defense and semiconductor industries for long-term reliability and protection against damage, injuries, and electrical hazards.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

Complete Order Transparency

Using Terra’s OnTrak system, our customers can view real-time production updates, receive shipment notifications and track their orders until they arrive at their facility

Smart® Desiccator Cabinet on Automatic Height Adjustable Workstation

Automatic height adjusting workstations allow users to quickly alternate between comfortable sitting and standing positions while performing different tasks with heavy equipment on the workspace, such as this Smart® Desiccator Cabinet connected to a Nitrogen Generator.

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Universal Adjustable Equipment Base Stands
    Stainless steel or powder-coated steel stands easily adjust to fit cleanroom equipment or desiccator cabinets of any width, depth or height. BioSafe design suitable for any cleanroom or laboratory environment. Raises equipment to ergonomic height to support disinfection and sample monitoring.
  • Humidity and Temperature Data Logger
    Records storage conditions inside a Desiccator chamber-adjustable logging interval (hours to months), USB port for easy data download in several formats.
  • Perforated Stainless Steel Shelf
    Adjustable electropolished 304 stainless steel shelves support weight loads of up to 45 pounds. Perforated shelf helps with consistent nitrogen distribution. Individually bagged to prevent surface contamination.
  • Laboratory Nitrogen Generator
    Terra’s Nitrogen Generators provide a continuous, reliable supply of clean, dry nitrogen up to 99% pure to eliminate dependence on bulky canisters to operate desiccators and glove boxes.

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Manuals & Resources

Manuals & Resources

Blog Post

Desiccator Cabinet Features Comparison

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