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Number of Chambers

Chamber Width

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Terra Part #PriceShips in
BenchtopAmber Acrylic116.625"16.125"11.625" 3950-81D 67155 $8151-3 Days2
BenchtopAmber Acrylic216.625"16.125"11.625" 3950-70D 67163 $1,46513-15 Days3
BenchtopAmber Acrylic222.125"16.125"11.625" 3950-71D 67164 $1,72113-15 Days4
BenchtopAmber Acrylic222.125"22.125"11.625" 3950-69D 67162 $1,86913-15 Days5
BenchtopAmber Acrylic316.625"16.125"11.625" 3950-73D 67172 $2,43518-24 Days6
BenchtopAmber Acrylic322.125"16.125"11.625" 3950-74D 67173 $2,57918-24 Days7
BenchtopAmber Acrylic322.125"22.125"11.625" 3950-72D 67171 $2,71718-24 Days8
BenchtopAcrylic116.625"16.125"11.625" 3950-51D 67154 $8051-3 Days9
BenchtopAcrylic216.625"16.125"11.625" 3950-40D 67160 $1,19113-15 Days10
BenchtopAcrylic222.125"16.125"11.625" 3950-41D 67161 $1,3951-3 Days11
BenchtopAcrylic222.125"22.125"11.625" 3950-39D 67159 $1,4781-3 Days12
BenchtopAcrylic316.625"16.125"11.625" 3950-43D 67169 $1,69218-24 Days13
BenchtopAcrylic322.125"16.125"11.625" 3950-44D 67170 $1,9351-3 Days14
BenchtopAcrylic322.125"22.125"11.625" 3950-42D 67168 $2,0531-3 Days15
BenchtopStatic Dissipative PVC116.625"16.125"11.625" 3950-21D 67153 $1,0461-3 Days16
BenchtopStatic Dissipative PVC216.625"16.125"11.625" 3950-10D 67157 $1,5501-3 Days17
BenchtopStatic Dissipative PVC222.125"16.125"11.625" 3950-11D 67158 $1,8151-3 Days18
BenchtopStatic Dissipative PVC222.125"22.125"11.625" 3950-09D 67156 $1,9231-3 Days19
BenchtopStatic Dissipative PVC316.625"16.125"11.625" 3950-13D 67166 $2,1991-3 Days20
BenchtopStatic Dissipative PVC322.125"16.125"11.625" 3950-14D 67167 $2,5191-3 Days21
BenchtopStatic Dissipative PVC322.125"22.125"11.625" 3950-12D 67165 $2,6721-3 Days22
FloorAmber Acrylic416.625"16.125"11.625" 3950-76D 67181 $2,81218-24 Days23
FloorAmber Acrylic422.125"16.125"11.625" 3950-77D 67182 $3,02418-24 Days24
FloorAmber Acrylic422.125"22.125"11.625" 3950-75D 67180 $3,24318-24 Days25
FloorAmber Acrylic516.625"16.125"11.625" 3950-79D 67190 $3,39818-24 Days26
FloorAmber Acrylic522.125"16.125"11.625" 3950-80D 67191 $3,65918-24 Days27
FloorAmber Acrylic522.125"22.125"11.625" 3950-78D 67189 $3,98418-24 Days28
FloorAmber Acrylic616.625"16.125"11.625" 3950-61D 67199 $4,07418-24 Days29
FloorAmber Acrylic622.125"16.125"11.625" 3950-62D 67200 $4,33218-24 Days30
FloorAmber Acrylic622.125"22.125"11.625" 3950-60D 67198 $4,51418-24 Days31
FloorAmber Acrylic816.625"16.125"11.625" 3950-64D 67208 $4,83218-24 Days32
FloorAmber Acrylic822.125"16.125"11.625" 3950-65D 67209 $5,26618-24 Days33
FloorAmber Acrylic822.125"22.125"11.625" 3950-63D 67207 $5,63418-24 Days34
FloorAmber Acrylic1016.625"16.125"11.625" 3950-67D 67217 $6,05418-24 Days35
FloorAmber Acrylic1022.125"16.125"11.625" 3950-68D 67218 $6,43218-24 Days36
FloorAmber Acrylic1022.125"22.125"11.625" 3950-66D 67216 $6,64418-24 Days37
FloorAcrylic416.625"16.125"11.625" 3950-46D 67178 $2,19518-24 Days38
FloorAcrylic422.125"16.125"11.625" 3950-47D 67179 $2,47918-24 Days39
FloorAcrylic422.125"22.125"11.625" 3950-45D 67177 $2,6321-3 Days40
FloorAcrylic516.625"16.125"11.625" 3950-49D 67187 $2,69018-24 Days41
FloorAcrylic522.125"16.125"11.625" 3950-50D 67188 $3,01318-24 Days42
FloorAcrylic522.125"22.125"11.625" 3950-48D 67186 $3,2001-3 Days43
FloorAcrylic616.625"16.125"11.625" 3950-31D 67196 $3,29718-24 Days44
FloorAcrylic622.125"16.125"11.625" 3950-32D 67197 $3,67118-24 Days45
FloorAcrylic622.125"22.125"11.625" 3950-30D 67195 $3,90018-24 Days46
FloorAcrylic816.625"16.125"11.625" 3950-34D 67205 $4,47018-24 Days47
FloorAcrylic822.125"16.125"11.625" 3950-35D 67206 $4,93918-24 Days48
FloorAcrylic822.125"22.125"11.625" 3950-33D 67204 $5,24918-24 Days49
FloorAcrylic1016.625"16.125"11.625" 3950-37D 67214 $5,47518-24 Days50
FloorAcrylic1022.125"16.125"11.625" 3950-38D 67215 $6,0241-3 Days51
FloorAcrylic1022.125"22.125"11.625" 3950-36D 67213 $6,4061-3 Days52
FloorStatic Dissipative PVC416.625"16.125"11.625" 3950-16D 67175 $2,8551-3 Days53
FloorStatic Dissipative PVC422.125"16.125"11.625" 3950-17D 67176 $3,2251-3 Days54
FloorStatic Dissipative PVC422.125"22.125"11.625" 3950-15D 67174 $3,4231-3 Days55
FloorStatic Dissipative PVC516.625"16.125"11.625" 3950-19D 67184 $3,4981-3 Days56
FloorStatic Dissipative PVC522.125"16.125"11.625" 3950-20D 67185 $3,9191-3 Days57
FloorStatic Dissipative PVC522.125"22.125"11.625" 3950-18D 67183 $4,1621-3 Days58
FloorStatic Dissipative PVC616.625"16.125"11.625" 3950-01D 67193 $4,28818-24 Days59
FloorStatic Dissipative PVC622.125"16.125"11.625" 3950-02D 67194 $4,77618-24 Days60
FloorStatic Dissipative PVC622.125"22.125"11.625" 3950-00D 67192 $5,07318-24 Days61
FloorStatic Dissipative PVC816.625"16.125"11.625" 3950-04D 67202 $5,8151-3 Days62
FloorStatic Dissipative PVC822.125"16.125"11.625" 3950-05D 67203 $5,75818-24 Days63
FloorStatic Dissipative PVC822.125"22.125"11.625" 3950-03D 67201 $6,4241-3 Days64
FloorStatic Dissipative PVC1016.625"16.125"11.625" 3950-07D 67211 $7,1221-3 Days65
FloorStatic Dissipative PVC1022.125"16.125"11.625" 3950-08D 67212 $7,83618-24 Days66
FloorStatic Dissipative PVC1022.125"22.125"11.625" 3950-06D 67210 $8,3311-3 Days67
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Product Details

• Multi-chamber desiccator cabinets isolate different types of stored materials

• Built-in rear plenum distributes dry gas evenly to each chamber of the desiccator cabinet

• Choose material types to support your application:

• Amber acrylic desiccator cabinets absorb most ambient light

• ESD-safe static dissipative PVC is ideal for sensitive electronics

• Clear acrylic desiccator cabinets offer a low cost alternative for dry storage without strict cleaning protocol

• Factory-installed flowmeter allows nitrogen gas purging of the entire cabinet

• Reduced impact on other chambers when one door opens

• Order with Dual Purge and NitroWatch systems for enhanced humidity control

• Stainless steel racks installed in each chamber; shelves adjust in 1" increments

• Chrome-plated, ergonomic LiftLatches™ do not scrape the chamber like ordinary rotary latches

• Stainless steel-framed doors extend service life and provide a better door seal

• Mechanically attached, one-piece gasket does not creep or crack

• Automatic RB® Valves release moisture-laden air from the cabinet and prevent over-pressurization

• Electrical grounding available; specify when ordering (included standard on Static-Dissipative PVC models)

• Includes one flowmeter, one automatic relief/bleed valve per chamber, and one perforated stainless steel shelf (order additional shelves separately)

Adjust-A-Shelf™ Nitrogen Desiccator Cabinets

Standard Features

  • A Grounding Terminals
    Standard on all static-dissipative PVC to prevent ESD
  • B Plenum Chamber
    Located in rear of cabinet, plenum ensure uniform flow of nitrogen gas to all chambers; minimizes moisture migration
  • C 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
  • D Electropolished Stainless Steel Wire Racks
    Allow positioning of racks and trays on 1” increments
  • E Stainless Steel Shelf
    One included; order additional solid or perforated shelves or removable trays
  • F Grounded Door Latch
    Prevents ESD damage to stored parts (standard on SDPVC cabinets)

Optional Features

  • 1 Dual Purge™ System
    Provides a variable flow of nitrogen purge gas: high when you need it, low to conserve flow
  • 2 NitroWatch® RH Controller
    Monitors internal humidity; activates a high-flow purge when RH climbs above set-point level
  • 3 Door Sensor Switches
    Activate high-flow purge when a door opens to recover RH set point
  • 4 Automatic RB® Valve
    Prevents overpressure; acts as a check valve (one included per chamber)
  • 5 Stand
    Powder-coated or 304 stainless steel; 4” or 12” high; casters available
  • 6 Nitrogen Generator
    Nitrogen generator provides un uninterrupted supply of nitrogen up to 99% pure to eliminate reliance on bulky canisters

Not Shown: Flowmeter - Flowmeter included for manual regulation of flow rate (choose Dual Purge/NitroWatch systems for automated control)

Learn More About Adjust-A-Shelf Desiccators

  • 10-Chamber Adjust-A-Shelf Desiccator Cabinet Static-Dissipative Adjust-A-Shelf Desiccator Cabinet
  • Benchtop Adjust-A-Shelf Desiccator Cabinet Static-Dissipative PVC Adjust-A-Shelf Desiccator Cabinet
  • 3-Chamber Static-Dissipative PVC Desiccator Cabinet Three-Chamber SDPVC Desiccator Cabinet
  • Adjust-A-Shelf Desiccators
  • Desiccators: Features and Design overview
  • Leveling your Desiccator
  • Static Dissipative PVC Open Desiccator Cabinet Desiccator Cabinet, Adjust-A-Shelf; SDPVC, Nominal 12"W x 12"D x 12"H
  • Stainless steel cleanroom cart with built-in amber acrylic desiccator cabinet Clean, Dry, ESD-Safe Transport Solutions

Features & Benefits

Features and Benefits

ESD Protection

Static Control Solutions in Nitrogen-Purged Desiccator Cabinets

Because the likelihood of ESD (electrostatic discharge) increases in a low humidity environment, Terra strongly urges that you consider these measures as part of your static control program.

Static-Dissipative PVC

Acrylic, commonly used in storage enclosures, is a prolific static generator. Wiping an acrylic desiccator generates surface charges that can discharge onto ESD-sensitive components. Static-dissipative PVC prevents this danger.

This material not only dissipates static charges safely but also eliminates the particle attraction that static charges create. Surfaces stay clean, inside and out, making this material perfect for use in cleanrooms.

Because static-dissipative PVC is transparent and highly durable, it can be used in place of acrylic in nearly any application, desiccators included. It features a surface resistivity of approximately 10^7 ohms per square and is completely noncontaminating—with no measurable outgassing—and it resists a wide range of chemicals.

Note: To protect Static-Dissipative PVC surfaces, desiccators made of this material must include stainless steel shields installed at the bottom of each chamber.

Static-Neutralizing Ionizing Nozzles

By ionizing nitrogen molecules as they pass through the desiccator plenum wall, ionizing nozzles neutralize electrostatic charges on all interior surfaces. They provide practical ESD control for charged nonconductive materials, which cannot dissipate charges to ground. And because they eliminate static attractive forces, they help control contamination: in a statically neutral environment, any airborne particles that enter a desiccator are more likely to remain airborne and to be purged out of the cabinet.

Desiccator Grounding
Grounding Terminal

All Terra desiccators made of static-dissipative PVC feature grounding terminals on a standard basis. The surface resistivity of this material (around 10^7 ohms/square) allows controlled dissipation of static charges from any surface in the cabinet, including shelves. Conductive grounding connections safely direct charges to a grounding terminal (standard on SDPVC cabinets; order separately for acrylic cabinets below).

Conductive Shelves, Shields and Trays

For smaller components that can be stored on shelves, Terra's grounded stainless steel shelving provide a 100% ESD-safe enclosure.

Grounded conductive plates (such as shelves) create a Faraday cage that prevents penetration of static charges. Because these conductive units are removable, they also protect your sensitive components from ESD as you transport them from one location to another.

Static-Dissipative PVC Avoids Surface Charges

Grounded, static-dissipative desiccator cabinets safely discharge surface charges to ground, eliminating the risk of electrostatic discharge and attractive forces that seize particles.

Flowmeter, 1-10 SCFH, 2'' scale

Suitable for total pressures up to 100 psig and temperatures up to 150°F.

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.

Static-Dissipative PVC Plating

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.

Available Stainless Steel Shelves and Trays

Adjustable, non-contaminating shelves and trays slide on stainless steel racks, allowing easy parts access (one perforated shelf included)

High Caliber Hardware

Don’t be concerned about the quality, durability, and craftsmanship of your latches, ports, glides and hinges. Terra’s products are made of long lasting, cleanroom compatible, top tier hardware.

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

Desiccator Plenum Chamber For Uniform Gas Distribution

Multi-chamber desiccator cabinets include a perforated plenum to minimize back fill, ensure uniform gas distribution to all chambers and increase cabinet strength

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.

Stainless Steel Storage Racks

Stainless steel racks resist chipping and scratching from sliding or removable shelves, won't produce contaminants

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • 3-inch Diameter Caster Set
    Casters are easily retrofitted for mobility. Products can be rolled out of the way when cleaning or relocated as workflow changes.
  • Humidity and Temperature Data Logger
    Provides a convenient record of storage conditions inside a Desiccator chamber-adjustable logging interval (hours to months), USB port for easy data download in several formats.
  • Dual Purge and NitroWatch
    Terra’s Dual Purge and NitroWatch relative humidity controllers maintain a low-RH set-point inside a desiccator or glove box; they provide variable purge control that ensures continuous positive pressure and eliminates nitrogen waste.
  • 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.
  • Desiccator Cabinet Ionizing Module
    Ionizing modules are available for desiccator cabinets, glove boxes and other enclosures to ensure static-safe storage and processing (shown: ionizing unit on 2-chamber desiccator)
  • Small Powder-Coated Steel Desiccator Stand, 4"H
    Small 4"H powder-coated steel desiccator stand adjusts to fit cabinet snugly; optional casters simplify positioning and cleaning. Also available in stainless steel and 12" height.
  • Clean, Dry, ESD-Safe Transport Solutions
    Configure BioSafe® cleanroom carts with built-in desiccator cabinets for highly sensitive biomedical materials. The nitrogen desiccator cabinet adds an extra layer of protection to provide a dry, inert environment. Amber acrylic filters out UV and blue light.

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Manuals & Resources

Manuals & Resources

Desiccator Dual Purge System

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  • 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.

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