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IsoDry® Desiccator Cabinets
Patent Pending

NitroPlex Desiccator
No. 3950-36F-ISO, shown with IsoDry Humidity Controllers,
castered stand, shelves and Nitrogen Generator (order separately)
Features Key
  Standard
  Option

A Gas Mixing Module
B Relief/Bleed (RB) Valve
C IsoDry Control Systems allow set-point programming and display
D Relative humidity sensor
E Stands available with casters for easy cabinet positioning
F Nitrogen Generator provides a continuous, reliable source of nitrogen up to 99% pure
G Doors reinforced with stainless-steel frames
H Electropolished stainless-steel perforated shelf (1)
I Electropolished stainless-steel solid shelf
 
humidity level critical
 
 
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IsoDry Gas Dilution Module enhances relative humidity uniformity throughout
the desiccator cabinet
 
RH sensor provides continuous moisture monitoring
 

    Terra’s IsoDry Desiccators provide key performance improvements for your most critical humidity requirements:


  • RH Uniformity: Fans mix chamber gas with pure nitrogen to maintain uniform RH percentage throughout the cabinet, eliminating moisture “blind spots” that can degrade sensitive components. All chambers within a cabinet maintain the same humdity level (+/- 10% of set point - see chart below).
  • Continuous RH monitor/display: IsoDry sensor monitors the relative humidity percentage inside the cabinet
  • Low-Humidity Set Point Control: IsoDry control system lets you establish a sub-ambient set point to protect moisture-sensitive parts
  • Fast Recovery Time: IsoDry gas-flow engineering ensures that any moisture that enters the cabinet when doors are opened is quickly and efficiently diluted and purged from the cabinet, before it can affect stored contents
  • Versatile Applications: IsoDry technology can be built into any standard Terra desiccator
8-chamber static-dissipative PVC cabinet,
No 3950-00F-ISO
Flow meter module No. 1600-32-ISO (included) allows manual purging of cabinets of any size or chamber configuration

IsoDry Desiccators provide state-of-the-art, patent-pending humidity-control technology to reduce moisture-related degradation of semiconductor components, electronics, medical devices, pharmaceutical powders, and other sensitive materials.

Each cabinet employs a gas mixing module that continuously dilutes moisture with clean, dry nitrogen. A variable-flow humidity control system initiates a high flow of pure nitrogen the second an access door is opened or the internal environment exceeds the user-programmed sub-ambient humidity set point. As pure nitrogen enters the cabinet, moisture is displaced and released through an Automatic Relief/Bleed valve in each chamber. Once doors are closed and the system recovers set-point conditions, the system reverts to an economical low-flow purge (adjustable via the system flowmeter) to conserve nitrogen.

Extensive testing demonstrates how this design produces superior RH uniformity and recovery times.

IsoDry Desiccators include reinforced stainless-steel-framed doors with open/closed sensor switches, one automatic RB (Relief/Bleed) valve per chamber, electropolished (EP) stainless-steel wire racks, and one EP stainless-steel perforated shelf.

isodry-desicator-air-flow
Recirculation module ensures humidity uniformity throughout the cabinet.

IsoDry Dual Purge/NitroWatch Systems
These controllers include a relative humidity sensor mounted inside the chamber and a Terra's IsoDry Dual Purge and NitroWatch systems, which work in tandem to ensure fast set point recovery times (see graph above).

The Dual Purge system provides a high-volume burst of nitrogen to attain the RH set point upon system set-up. Once this set point is attained, it uses an economical low-flow purge to maintain the set point, and then activates the high-flow purge the minute a door opens to recover set point with minimal nitrogen waste. The NitroWatch provides continuous monitor/display of both measured RH and set point levels.

Status alerts built into the IsoDry Dual Purge System warn if incoming nitrogen line pressure falls below operational rates (signaling an interruption in the gas supply) or if the system remains in high-flow purge for an excessive period (signaling a door left ajar). This integrated system also provides the low-voltage power required by the IsoDry and a variable speed control for the dilution fans.

What's Your Application?

The standard NitroPlex™ system provides unsurpassed moisture control in dozens of storage applications. Temperature, gas or biological sensors expand the range of critical operations.

  • Microelectronics components, surface-mount devices (SMDs), hybrid packages
  • Storage of printed circuit boards (PCBs) for rework
  • Pharmaceutical R&D studies
  • Kitting of high-precision watch components
  • Pass-through transfer of night-vision electronics
  • Lithium battery development
  • Humidity testing of cosmetics
  • Accelerated life testing of ICs
  • Animal inhalation and toxicology research

Which critical control application can you find in your facility?

Specifications (IsoDry Humidity Control System)
Dimensions: See ordering chart below
Power Requirement: 24V: draws power from IsoDry Dual Purge System
Fans 120 CFM each
Display: 5-digit LED
Display Resolution: ± 0.1%RH
Sensor Accuracy: ± 2% RH @ 20°C
Measuring Range: 0 - 100% RH
Calibration: None required for standard accuracy range
Ordering Information
IsoDry Cabinet Includes gas dilution module, door sensor switches and Automatic Relief/Bleed Valve. Select models from ordering chart below, or add “-ISO” to the part number of any applicable Terra desiccator. Pre-wired for easy addition of IsoDry RH Sensor (order below).
IsoDry Control Systems

 

Provides variable-purge flow of nitrogen to speed up set-point recovery and minimize nitrogen waste. Cat# Price
IsoDry Dual Purge System 9500-05 $ 2,035
IsoDry NitroWatch System 9500-06 $ 930
  IsoDry Flowmeter Kit
1600-32-ISO $ 266
  Relief/Bleed Valve Replacement 1600-60B $ 106
  IsoDry RH Sensor (installed) 9500-02A $ 651
Other Options See chart below for shelves and stands.

three chamber

four chamber

five chamber
A B C
Three Chambers Four Chambers Five Chambers

six chamber

eight chamber

ten chamber
D E F
Six Chambers Eight Chambers Ten Chambers
IsoDry Desiccators
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Specifications IsoDry Desiccators
Overall Dim.
W" x D" x H"
(mm)
Static Dissipative PVC Clear Acrylic
Cat. # Price Cat. # Price
A1 24 x 25 x 36
(610 x 635 x 914)
3 Chambers 3950-12F-ISO $ 3,828 3950-42F-ISO $ 2,687
A2 17 x 19 x 36
(432 x 483 x 914)
3 Chambers 3950-13F-ISO $ 3,066 3950-43F-ISO $ 2,247
A3 24 x 19 x 36
(610 x 483 x 914)
3 Chambers 3950-14F-ISO $ 3,482 3950-44F-ISO $ 2,487
B1 24 x 25 x 48
(610 x 635 x 1219)
4 Chambers 3950-15F-ISO $ 4,855 3950-45F-ISO $ 3,264
B2 17 x 19 x 48
(432 x 483 x 1219)
4 Chambers 3950-16F-ISO $ 3,873 3950-46F-ISO $ 2,728
B3 24 x 19 x 48
(610 x 483 x 1219)
4 Chambers 3950-17F-ISO $ 4,406 3950-47F-ISO $ 3,021
C1 24 x 25 x 60
(610 x 635 x 1524)
5 Chambers 3950-18F-ISO $ 6,212 3950-48F-ISO $ 4,026
C2 17 x 19 x 60
(432 x 483 x 1524)
5 Chambers 3950-19D-ISO $ 5,018 3950-49F-ISO $ 3,367
C3 24 x 19 x 60
(610 x 483 x 1524)
5 Chambers 3950-20D-ISO $ 5,706 3950-50F-ISO $ 3,713
D1 45 x 21.5 x 36
(1143 x 546 x 914)
6 Chambers 3950-00F-ISO $ 6,171 3950-30F-ISO $ 4,435
D2 34 x 15.5 x 36
(864 x 394 x 914)
6 Chambers 3950-01F-ISO $ 4,942 3950-31F-ISO $ 3,731
D3 45 x 15.5 x 36
(1143 x 394 x 914)
6 Chambers 3950-02F-ISO $ 5,613 3950-32F-ISO $ 4,115
E1 45 x 21.5 x 48
(1143 x 546 x 1219)
8 Chambers 3950-03B-ISO $ 7,177 3950-33F-ISO $ 5,580
E2 34 x 15.5 x 48
(864 x 394 x 1219)
8 Chambers 3950-04F-ISO $ 6,376 3950-34F-ISO $ 4,711
E3 45 x 15.5 x 48
(1143 x 394 x 1219)
8 Chambers 3950-05F-ISO $ 7,241 3950-35F-ISO $ 5,185
F1 45 x 21.5 x 60
(1143 x 546 x 1524)
10 Chambers 3950-06F-ISO $ 10,126 3950-36F-ISO $ 6,618
F2 34 x 15.5 x 60
(864 x 394 x 1524)
10 Chambers 3950-07F-ISO $ 8,107 3950-37F-ISO $ 5,610
F3 45 x 15.5 x 60
(1143 x 394 x 1524)
10 Chambers 3950-08F-ISO $ 9,209 3950-38F-ISO $ 6,160

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. 
 

Accessories

 
IsoDry Stands: all Stands are 4" (102 mm) high
Desiccator Type Stand Dimensions W x D (mm) Stainless Steel Powder-Coated Steel
Cat. # Price Cat. # Price
A1, B1, C1 24.65" x 25.38"
(626 x 645)
1740-44-ISO $ 478 1740-28-ISO $ 450
A2, B2, C2 17.65" x 19.38"
(448 x 492)
1740-48-ISO $ 406 1740-32-ISO $ 412
A3, B3, C3 24.65" x 19.38"
(626 x 492)
1740-52-ISO $ 443 1740-36-ISO $ 416
D1, E1, F1 45.65" x 21.88"
(1160 x 556)
1740-92-ISO $ 712 1740-40-ISO $ 696
D2, E2, F2 34.65" x 15.88"
(880 x 403)
1740-94-ISO $ 672 1699-10-ISO $ 656
D3, E3, F3 45.65" x 15.88"
(1160 x 403)
1740-96-ISO $ 693 1700-10-ISO $ 677
 
Perforated Stainless Steel Shelves
Cat. # Price
1978-02 $ 182
 
Sliding Racks and Trays
RH/Temperature Data Logger
Easy-glide sliding racks allow full extension of 1, 2 or 3 trays, simplifying parts loading and unloading and giving easy access to every square inch or storage space (tray not removable). Stainless steel runners feature a clean, easy-glide suspension system for smooth, non-contaminating operation. Ordering information…
Don't risk operational delays because of a damaged door! Terra's desiccators last indefinitely. Doors, however, are subject to damage, and ordering a legacy replacement can be costly and disrupt operation. To avoid these problems, order replacements at the time you purchase the desiccator; simply add "-RH" (for right-side hinge) or "-LH" (for left-side hinge) to the part number of the chamber.
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 $ 209

File Type File Name Publication Date
Manual (PDF) Desiccator Cabinets and RH Controllers: Doc. # 1800-40
This manual provides installation and operating instructions for the following Terra desiccator lines: Adjust-A-Shelf, Pass-through, Wafer Box, Kitticator, Tape and Reel, Farracator and Series 100 through 400. The manual also covers the following RH Controllers: Flowmeter, Dual Purge System and NitroWatch.
08/23/2016
Manual (PDF) IsoDry™ RH Control Systems: Doc. #1788-26
This manual is a supplement to Doc. #1800-40 and provides installation and operating instructions for the IsoDry RH Control System.
08/23/2016
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