Terra Part # 1911-45A
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Smart® Desiccator; Acrylic, 18.5" W x 18" D x 13" H
Product Details
  • Available ISO Ratings: ISO 7, ISO 8
  • 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 creates a rigid, durable structure for improved weight capacity and resistance to high-frequency vibrations.
  • Low cost acrylic offers durability (17x impact resistance of glass), superior clarity, and UV resistance (won't yellow from exposure to sun).
  • CAUTION: Acrylic is damaged by alcohol and many other cleaning agents.
  • 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.

Chamber Dimensions: 16.625" W x 17.5" D x 11.625" H

Material: Acrylic

Opening Dimensions: 16.375" W x 10.75" H

Number of Chambers: 1

Model: Smart®

Design: Benchtop

Chamber Width: 16.625"

Chamber Depth: 17.5"

Chamber Height: 11.625"

Humidity Control: Chamber Level

Door Design: Leak Tight

Unit of Measure: EA

Marks & Listings: CE, UL, ULC

Electrical Specifications: 120/240 V, 0.25 A, 30 W, 60, 1 Ph

Weight, Product: 20 lb

Dimensions, Product: 18.5" W x 18" D x 13" H

Weight, Shipping: 67 lb

Dimensions, Shipping: 24.5" W x 24.5" D x 21" H

Package Type: Crate

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  1. Adjustable shelves support weight loads of up to 90 pounds.  |  1976-04 displayed
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  2. Stainless steel shield, installed on the floor of a plastic desiccator chamber, protects against scratching  |  1976-06 displayed
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  3. Stainless Steel and powder-coated steel stands adjust to fit cabinets, desiccators and cleanroom equipment of any size.  |  1609-20 displayed
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  4. Small 12"H powder-coated steel desiccator stand; optional casters simplify positioning and cleaning
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  5. Small 4"H stainless steel desiccator stand; optional casters simplify positioning and cleaning
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  6. Small 12"H stainless steel desiccator stand; optional casters simplify positioning and cleaning
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  7. Design Saves Floor Space and Meets Demands of Keg Based Nitro Cold Brew Dispensing Systems  |  2700-99 displayed
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  8. Small nitrogen generator, 20"W x 12"D x 35.5"H, with compact footprint produces up to 99% pure N2 gas  |  2700-12B displayed
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  9. Stores 16,382 temperature readings and 16,382 relative humidity measurements.  |  9500-10 displayed
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  10. Small (4") locking latch, catcher included. Grid shows one-inch squares.  |  1603-80 displayed
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  11. Shown on reference grid of 1-inch (25mm) squares  |  1603-40-2-316 displayed
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  12. Service, ISO 7 Rating Declaration
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  13. Warranty; 2 Year, Desiccator, Parts
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  14. Warranty; 3 Year, Desiccator, Parts
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  15. FasTrak 24-7 Expediting Service
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  16. UL Listing Declaration for Desiccator and Storage Cabinets
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  17. Qualification Documentation (IQ/OQ) for Terra Universal System
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  18. Equipment Testing
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  19. Smart® Module with LED display and gas inlet automatically monitors and maintains low-RH set point to conserve nitrogen  |  1911-30B-VL displayed
    Humidity Module; for SmartDesiccator/SmartGlovebox Quick Ship+ Only 3 left in stock
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  20. Terra's Automated RB Valve provides safe pressure release and prevents influx of room air  |  1600-60B displayed
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  21. 1504-01-rack-storage-chamber-EPSS  |  1504-01 displayed
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  22. Small (4") LiftLatch with Catcher  |  1603-84 displayed
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Smart® Desiccator Cabinets

  • universal adjustable base stands Universal Base Stands Offer Excellent Versatility
  • Adjusting universal stand Universal Stand Adjusts to Fit a Wide Range of Equipment
  • Desiccators: Features and Design overview
  • Smart® Humidity Module upgrade tutorial Installing Terra's ValuLine™ Desiccator Smart® Controller
  • Leveling your Desiccator
  • Video Overview of Stainless Steel Desiccator Cabinets Stainless Steel Desiccator Cabinets
  • Smart Desiccator Set-Up
  • Plastic Smart Desiccator Storage Chamber ISO 7 Smart Desiccator Cabinets Automate Dry Storage
Smart® Humidity Module upgrade tutorial
Video Overview of Stainless Steel Desiccator Cabinets

Features and Benefits

Learn More: Smart Desiccators


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

ISO 7 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.

Catalog of CE-Marked Products

Terra offers over 1,700 CE-marked products configured for international voltage requirements

Products Compliant With Your ISO Rating

Provide Terra with your desired ISO rating. We will tailor the product to meet your rating and supply a certificate of compliance appended to your invoice, to be included in your compliance package. All certificates are archived in Terra's system for quick retrieval.

Rapid Drying of Hygroscopic Material

Terra's gas-purged desiccators utilize a rapid flow of inert nitrogen to quickly dry hygroscopic samples and components
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Universal Base Stands Offer Excellent Versatility

    Universal base stands support and stabilize various equipment sizes. Adjustable telescoping members allow for a precise fit. Choose between stainless and powder-coated steel to fit your desired application.
  • Universal Stand Adjusts to Fit a Wide Range of Equipment

    Terra's Universal stands easily adjust to fit a wide range of equipment. Multi-purpose stand frames are suitable for many types of cleanroom equipment, including refrigerators, freezers, incubators, ovens, and vacuum chambers.
  • Universal Adjustable Equipment Base Stands

    Stainless steel or powder-coated steel, cleanroom-compliant stands easily adjust to fit industry-standard cabinets, desiccators, vacuum chambers, refrigerators, incubators and ovens. 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.

On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.