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Terra Part #PriceShips in
10.756AcrylicSingle Wide22"With Inlays 1919-00A 41961 $2,30221-23 Days2
10.7512AcrylicSingle Wide42"With Inlays 1921-00A 41963 $4,38129-35 Days3
14.756AcrylicSingle Wide22"With Inlays 1923-00A 41965 $2,81221-23 Days4
10.7512AcrylicSingle Wide42"Without Inlays 1905-00A 41971 $3,23829-35 Days5
10.756Static-Dissipative PVCSingle Wide22"With Inlays 2535-00A 41973 $3,37121-23 Days6
10.759Static-Dissipative PVCSingle Wide32"With Inlays 2536-00A 41974 $4,94529-35 Days7
10.7512Static-Dissipative PVCSingle Wide42"With Inlays 2537-00A 41975 $6,25929-35 Days8
14.753Static-Dissipative PVCSingle Wide12"With Inlays 2538-00A 41976 $2,26221-23 Days9
14.756Static-Dissipative PVCSingle Wide22"With Inlays 2539-00A 41977 $3,99021-23 Days10
14.759Static-Dissipative PVCSingle Wide32"With Inlays 2541-00A 41978 $5,73229-35 Days11
14.7512Static-Dissipative PVCSingle Wide42"With Inlays 2542-00A 41979 $7,47829-35 Days12
10.759Static-Dissipative PVCSingle Wide32"Without Inlays 2545-00A 41982 $4,13029-35 Days13
10.7512Static-Dissipative PVCSingle Wide42"Without Inlays 2546-00A 41983 $5,18529-35 Days14
14.759AcrylicSingle Wide32"Without Inlays 1908-00A 41987 $2,88229-35 Days15
14.756AcrylicSingle Wide23"Without Inlays 2507-00A 41994 $2,23421-23 Days16
14.756AcrylicSingle Wide35"Without Inlays 2516-00A 42003 $2,08129-35 Days17
14.753Static-Dissipative PVCSingle Wide12"Without Inlays 2547-00A 42005 $1,93721-23 Days18
14.756Static-Dissipative PVCSingle Wide22"Without Inlays 2549-00A 42006 $3,35721-23 Days19
14.7512Static-Dissipative PVCSingle Wide42"Without Inlays 2551-00A 42008 $6,22629-35 Days20
14.756Static-Dissipative PVCSingle Wide23"Without Inlays 2557-00A 42014 $3,49021-23 Days21
14.7512Static-Dissipative PVCSingle Wide43"Without Inlays 2559-00A 42016 $6,51929-35 Days22
14.752Static-Dissipative PVCSingle Wide15"Without Inlays 2564-00A 42021 $1,84021-23 Days23
14.754Static-Dissipative PVCSingle Wide25"Without Inlays 2565-00A 42022 $3,10721-23 Days24
14.758Static-Dissipative PVCSingle Wide45"Without Inlays 2567-00A 42024 $5,77629-35 Days25
10.7518AcrylicDouble Wide62"With Inlays 2517-03A 42027 $6,38329-35 Days26
10.756Static-Dissipative PVCDouble Wide22"With Inlays 2517-33A 42048 $3,49521-23 Days27
14.7512Static-Dissipative PVCDouble Wide42"With Inlays 2517-38A 42053 $7,45821-23 Days28
14.7524Static-Dissipative PVCDouble Wide82"With Inlays 2517-40A 42055 $14,22329-35 Days29
10.7524Static-Dissipative PVCDouble Wide82"Without Inlays 2517-44A 42059 $9,75829-35 Days30
14.7524Static-Dissipative PVCDouble Wide82"Without Inlays 2517-48A 42063 $11,78029-35 Days31
14.7524AcrylicDouble Wide83"Without Inlays 2517-24A 42071 $8,06429-35 Days32
10.7516AcrylicDouble Wide85"Without Inlays 2517-28A 42075 $4,48929-35 Days33
14.7516AcrylicDouble Wide85"Without Inlays 2517-32A 42079 $6,52229-35 Days34
14.7524Static-Dissipative PVCDouble Wide83"Without Inlays 2517-56A 42080 $12,56229-35 Days35
14.754Static-Dissipative PVCDouble Wide25"Without Inlays 2517-72A 42085 $3,47421-23 Days36
14.7516Static-Dissipative PVCDouble Wide85"Without Inlays 2517-75A 42088 $11,11429-35 Days37
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Product Details
  • Terra's Storage Systems control static, moisture and contamination, extending the shelf lives of stored materials
  • Their Faraday-cage design shields components stored inside pull-out trays from electro-static discharge (ESD)
  • Includes stainless steel trays with the following options: 2", 3", or 5" clearance and optional slotted stainless steel inlays for organized storage “waffle” die packs, cutting locating time and increasing space efficiency (order tray dividers separately)
  • Faraday-design provides 100% static safety; conforms to DOD HDBK 263 and MIL-SPEC 1686Includes flow meter and Automatic Relief/Bleed (RB) valve for controlled purge of nitrogen or other clean, dry gas; select optional Dual Purge and NitroWatch control systems for automated set-point control
  • Available automatic humidity controls help extend shelf lives indefinitely while reducing gas consumption
  • Static-Dissipative PVC protects against static and contamination build-ups

Marks & Listings: CE, UL, ULC

Static-Safe Desiccators with Removable Sliding Trays
Standard Features
  • A 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
  • B Grounding Terminals
    Standard on static-dissipative PVC chambers to prevent electro-static discharge (ESD)
  • C Plenum Chamber
    Located in rear of cabinet, plenum ensures uniform flow of nitrogen gas to all chambers; minimizes moisture migration
  • D Automatic RB® Valve
    Prevents overpressure; acts as a check valve (one included per chamber)
  • E Slide-Out Trays
    Optional inlays create bins for 2" die ("waffle") packs
  • G Stainless Steel Hinges
    Non-contaminating hinges contribute to a long service life under heavy use
Optional Features
  • 1 NitroWatch® RH Controller
    NitroWatch® RH Controller
  • 2 Dual Purge™ System
    Dual Purge™ System
  • 3 Door Sensor Switches
    Activate high-flow purge when a door opens to recover RH set point
  • 4 Stand
    Powder-coated or 304 stainless steel; 4” or 12” high; casters available

Note Shown: Flowmeter included for manual regulation of flow rate (choose Dual Purge/NitroWatch systems for automated control); Nitrogen generator provides un uninterrupted supply of nitrogen up to 99% pure to eliminate reliance on bulky canisters

Desiccator Cabinets with Removable Sliding Trays

  • Desiccators: Features and Design overview
  • Leveling your Desiccator
  • Static-Control Desiccator Cabinets Clear Acrylic Static-Control Desiccator w/ Inlays
  • Desiccator stainless steel Removable Trays Desiccator Removable Stainless Steel Trays
  • plastic_desiccators_1_chamber
Features & Benefits

Features and Benefits

Static-Safe Desiccators Explained

Static-Safe Desiccator Construction

Even the slightest static discharge can spell disaster for today’s delicate components. Because the dangers of ESD (electrostatic discharge) are amplified in a low humidity environment, Terra strongly urges that you consider these measures as part of your static control program.

Static electricity is an excess or deficiency of electrons on a surface. The total number of deficient or excess electrons determines the charge on that surface. A surface exhibiting an excess of electrons is charged negatively, and an electron-deficient surface is charged positively.

Although static electricity has plagued the semiconductor manufacturing industry ever since the advent of integrated circuitry, its effects pose especially serious problems to today’s miniaturized, sophisticated, and expensive components. These devices can be seriously damaged or destroyed by charges much smaller than a person can typically detect.

How are Electrostatic Charges Generated?

Electrostatic charges are usually generated by friction between and/or separation of two dissimilar materials, at least one of which is a nonconductor or a poor conductor of electricity. The accumulated charge (static) resides on the surface of, rather than within, the charged nonconductive object.

Electrostatic discharge (ESD) occurs when an accumulated charge (which may be present on an operator, the operator’s clothing, or on any other non-conductive object) is discharged through a conductor (which may be part of a wafer, a chip, or a packaged device), and it may occur whenever the electrostatic potential corresponding to accumulated charge is great enough.

Acrylic or Static-Dissipative PVC Shell

Acrylic, the most common plastic used in storage enclosures, is a prolific static generator. The act of cleaning an acrylic desiccator with a cleanroom wiper is enough to generate surface charges that can discharge onto semiconductor components. One way to avoid potentially disastrous static damage is to select Static-Dissipative PVC.

This material not only dissipates static charges safely, but it also eliminates the particle attraction that static charges create. Surfaces stay clean, inside and out, making this material perfect for use in Class 1 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 107 ohms per square, placing it in the “dissipative range”. It 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.

Fabricated of clear acrylic or Static-Dissipative PVC, Static-Safe Storage Systems provide full 360-degree viewing of stored components. Solvent-welding and contamination-free materials guarantee a clean environment free of outgassing. Static-Safe desiccator cabinets house from one to four compartments of two different widths (see dimensional chart). Because our desiccator components are standardized, you can easily replace a damaged door.

Stainless Steel Slide-Out Drawers and Runners

The system's 304 stainless steel trays create a Faraday cage that shields stored materials against electro-static discharge (ESD). They can be easily removed and used as handling trays, eliminating the need to touch—and possibly to contaminate—sensitive microelectronic components.

The trays mount easily into the system's runners to become slide-out drawers. Runners feature an easy-glide suspension system that supports up to 40 lbs (18.1 kg). when fully extended and allows full access to every inch of drawer space. Two-drawer compartments provide 5.25" (133 mm) of clearance and include 5”-deep (127mm) trays suitable for 4" (102 mm) waffle packs; three-drawer compartments provide 3.1875" (81 mm) of clearance and are available with 2”-deep or 3”-deep trays, suitable for 2" (51 mm) waffle packs.

Stainless steel inlays, included in Static-Safe desiccators with 2”-deep trays, are slotted every .375” (10 mm) to permit easy insertion of stainless steel dividers (order separately). Inlay packages allow front-to-back storage of up to 192 2-inch waffle packs (with retaining dividers) in small trays, and up to 240 2-inch waffle packs in large trays.

For enhanced static-control, select a Static-Safe Desiccator made of static-dissipative PVC, which dissipates surface charges that can attract and hold particles.

Although the Static-Safe desiccator configuration does not form the closed box that Faraday described, both shield and tray are at the same potential and no electric field can exist within the volume they enclose. This effect can be demonstrated simply by directing an electrical discharge at the opening between the shield and the tray. The discharge never enters the cavity, and any stored materials inside remain completely shielded from the effects of the discharge.

Faraday Cage Design Shields against Eletro-Static Discharge (ESD)

ESD safe desiccator cabinets include ground slide-out trays to create a Faraday cage, shielding sensitive microelectronics in storage from electro-static discharge (ESD).

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.

Replacement Stainless Steel Trays

Removable stainless steel trays, included with the desiccator, can be outfitted with stainless steel inlays and dividers (shown here) for space-efficient storage of die (“waffle”) packs.

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

Built-in Plenum Distributes Dry Gas to Each Chamber

Manual flowmeter or automated system controls nitrogen flow rates to maintain RH across entire cabinet. Built-in plenum distributes dry gas to each chamber.

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.

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

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

Catalog of CE-Marked Products

Terra offers over 1,700 CE-marked products configured for international voltage requirements
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, 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.
  • Relative Humidity and Temperature Data Logger

    Simply plug the USB-502 logger into any USB port on your PC to name the logger, set your start time and date, sample rate, units (ºC or ºF), and hi/lo alarms—then place in controlled atmospher chamber to start logging data.
  • Stainless Steel Divider for Desiccator Storage System, 4.5W

    Stainless steel desiccator Tray Dividers with labeling edges allow secure, organized storage of die packs and other small parts.
  • Stainless Steel Inlays

    Stainless steel inlays (included) with slots every .375” (10mm) to permit easy insertion of dividers, creating storage bins for standard die (“waffle”) packs.
  • 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.
  • 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)
  • Dual Purge™ and NitroWatch™ Work Together to Fully Automate RH Control

    Terra's Dual Purge™ and NitroWatch™ operate in tandem to precisely and automatically control the flow of nitrogen and maintain a preset humidity level (from ambient to 0% ± 1.5% RH), no matter how operating conditions may change.
  • Data Logging with 113,000 Readings at User Defined Intervals

    Terra's Smart® IsoDry® Nitro-Watch™ logs RH, temp, door open/close, purge on/off, and sensor removal/attachment. The max data file size is roughly 4 MB or 113,000 readings. This is approximately 32 hours of data when logging at 1 second intervals, 2 weeks at 10 second intervals, 6 weeks at 30 second intervals, or 12 weeks at 1 minute intervals. When the system reaches the 4MB limit, data begins to wrap, overwriting oldest data with new.
  • Plug & Play Data Logging

    Plug in a USB flash drive to your Smart® IsoDry® Nitro-Watch™ to transfer data in .CSV format. No software required.
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