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Stainless Steel
Benchtop Storage Desiccators

Also Available in Plastic
Features Key

A Stainless steel construction
B RH Control/Display Module
C Automatic RB Valve
D Humidity set point controls
  Stainless steel shelf
Nitrogen Generator (not shown)

CE Mark All plastic and stainless steel SmartDesiccator cabinets
CE Declaration

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Program desired set point in a matter of seconds! Shown: No. 1911-02C  
humidity level critical
  • First-of-its-kind SmartDesiccator cuts nitrogen expenses by up to 78%
  • Automates clean, dry benchtop storage to eliminate moisture-related degradation and optimize yields
  • Features front and rear static-dissipative PVC viewing windows
  • Ideal for semiconductor components, biological and pharmaceutical samples, and other sensitive materials
  • Fully integrated turnkey system takes 30 seconds to install!

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  Consider Your Options!
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Door Opening: 20.25"W x 14.5"H (514 mm x 368 mm)
Optional Shelf ID: 19.5"W x 19.25"D (495 mm x 489 mm)
304 Stainless Steel SmartDesiccator™
  304 Stainless Steel
Cat. # Price
SmartDesiccator™ 1911-02C $ 2,523
Perforated Shelf
(one included)
1610-42 $ 190
Non-perforated Shelf 1679-45 $ 190

Nitrogen generator Nitrogen Generators give you a reliable point-of-use supply of up to 99%-pure nitrogen. Eliminate the drawbacks of canisters and 3rd-party suppliers! You control volume, purity and rate; all you need is a clean compressed-air feed. Terra's three sizes of maintenance-free membrane generators meet several capacity requirements are ideal for back-filling or continuous flow into desiccators, glove boxes, vacuum chambers and incubators. 

Terra Universal's SmartDesiccator maximizes yields of sensitive materials by automatically maintaining a user-determined humidity set point.

Its quick-response feedback system continuously monitors the cabinet's relative humidity level and activates a purge of dry nitrogen only when it is needed. The system thus economizes on gas consumption and minimizes overpressures that can stress cabinet seals. Comparison testing reveals that the SmartDesiccator maintains a low relative humidity level using only 22% of the nitrogen required by a flowmeter-based system of the identical size (see comparison chart below).

Miniaturized LED monitors humidity and displays set point
Miniaturized LED monitors humidity and displays set point

The miniaturized LED display and sensor module eliminate the need for external control boxes. This design also simplifies installation—operation requires only one gas and one low voltage power connection. Nitrogen: inlet fitting for .125" (3 mm)-OD tubing, regulated at 20 PSI.

304 stainless steel construction makes these desiccators rugged, and ideal for cleanrooms (electropolishing available). The tight seal between door and frame minimizing contamination influx and gas leakage. A specially designed lift latch eliminates hinge and door damage caused by the strain of twisting and turning conventional latch systems. The SmartDesiccator also incorporates a one-piece, nonadhesive, nonoutgassing gasket specially formulated to retain sealing integrity in extreme low humidity. Because it won't sag or migrate, it extends the service life of the cabinet.

Prices include the humidity control module, sensor, and Automatic RB® Valve, which ensures safe pressure release, stainless steel racks and one perforated stainless steel shelf. Order additional shelves separately.

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 Nitrogen Consumption
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)
Smart Performance—and Big Savings!
Testing demonstrates the cost benefit of the SmartDesiccator's automated nitrogen control system.

The test at right was conducted on a desiccator equipped with a flowmeter and then with a SmartDesiccator™ control system, under the condition specified in the chart.

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

RH/Temperature Data Logger
RH/Temperature Data Logger
Provides a convenient record of storage conditions! Placed in a desiccator or glovebox, this compact device accumulates humidity and temperature data at specified intervals for hours, days, weeks, even months. USB connection lets you import and display data in several formats.
Cat. # Price
9500-10 $ 240
Looking for Plastic SmartDesiccators? See product choices here.

File Type File Name Publication Date
Video Stainless Steel Desiccators
Terra Universal's stainless steel desiccators are ideal for the most critical low-humidity requirements. Ideal for a host of moisture-sensitive parts, these systems maintain dry conditions down to 1%RH. A variety of control systems allow selection of a humidity set point for automated moisture control.
Video Smart Desiccator Set-Up
Complete installation and programming in under a minute!
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!).
Tech Resource (PDF) Why Desiccator Storage?
A technical overview to how desiccators extend shelf lives and increase product yields.
Tech Resource (PDF) Why Terra Desiccators?
Compare the many design and fabrication features that make Terra desiccators the most efficient and durable cabinets available.
Tech Resource (PDF) Why Use Nitrogen?
A guide to how nitrogen purging protects moisture-sensitive materials.
Tech Resource (PDF) Desiccator Installation and Cleaning
Recommended cleaning techniques and agents for various desiccator materials.
Tech Resource (PDF) Which Nitrogen Control System?
A comparative guide to Terra’s control system features and benefits.
Manual (PDF) SmartDesiccator: Doc. # 1800-16
This manual contains installation and operating instructions for plastic and stainless steel SmartDesiccators.
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