Terra Part # 1609-03B
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67796
Desiccator; Stainless Steel, 4 Chambers, 25" W x 21.5" D x 65.5" H, Single-Side Access, Series 400

• Chambers per Tier: 1

• Includes (1) RB Valve per chamber, (2)stainless steel racks per chamber and (1) perforated stainless steel shelf; order additional shelves separately

• Stainless steel LiftLatches™ included on each chamber door (size Small, non-locking)

• Upgrades available for larger LiftLatches and 316L stainless steel

Chamber Dimensions: 22" W x 20.5" D x 16.25" H

Window Material: SDPVC

Material: Stainless Steel

Opening Dimensions: 20.25" W x 13.5" H

Access: Single-Side Access

Number of Chambers: 4

Model: Series 400

Design: Floor

Chamber Width: 22"

Chamber Depth: 20.5"

Chamber Height: 16.25"

Humidity Control: Cabinet Level

Door Design: Leak Tight

Unit of Measure: EA

Marks & Listings: CE, UL, ULC

Weight, Product: 284 lb

Dimensions, Product: 25" W x 21.5" D x 65.5" H

Weight, Shipping: 415 lb

Dimensions, Shipping: 30.5" W x 73" D x 27" H

Package Type: Crate

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  1. Provides variable gas purge levels to maintain humidity set points | 9500-05 displayed
    IsoDry® Dual Purge™, for Desiccator, 120/240VAC, 50/60Hz Stocked Item is in stock and ready for immediate shipping
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  2. Stainless Steel solid desiccator shelf with lip | 1976-05 displayed
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  3. Perforated Stainless Steel Shelf allows unimpeded airflow within the desiccator | 1610-42 displayed
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  4. Allow for easy desiccator access or transport | 1609-16 displayed
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  5. Stores 16,382 temperature readings and 16,382 relative humidity measurements. | 9500-10 displayed
    Data Logger; Relative Humidity/Temperature Stocked Item is in stock and ready for immediate shipping
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  6. Portable Nitrogen generator with compact footprint produces up to 99% pure N2 gas | 2700-11B displayed
    Nitrogen Generator; 24"W x 12"D x 49.25"H, 88 ft³/hr @ 99% purity, 100 psig Stocked Item is in stock and ready for immediate shipping
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  7. Ideal for low-humidity storage or drying in facilities with no nitrogen source | 1900-01 displayed
    Tray; Renewable, 304 SS, 15" W x 15" D x 1" H for DesiTray™ Stocked Item is in stock and ready for immediate shipping
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  8. Contain indicating silica gel that turns from blue to pink as silica gel absorbs moisture. | 2010-75 displayed
    Kleer-Vue Sorbent Box; Microwaveable Stocked Item is in stock and ready for immediate shipping
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  9. Ionizing module safely neutralizes static charges in pressurized desiccator cabinets | 2006-01 displayed
    $1,325
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  10. Small (4") locking latch, catcher included. Grid shows one-inch squares. | 1603-80 displayed
    $85
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  11. Stainless steel LiftLatch. Product details may differ. | 1603-67-2 displayed
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  12. Increases security of desiccators and accommodates most standard padlocks. | 1603-33 displayed
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  14. UL Listing Declaration for Desiccators
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  15. Qualification Documentation (IQ/OQ) for Terra Universal System
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  16. Equipment Testing and Certification
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  17. Acrylic flow meter, valve-2-20SCFH | 1600-32 displayed
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  18. Terra's Automated RB Valve provides safe pressure release and prevents influx of room air | 1600-60B displayed
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  19.  | 1603-40-2 displayed
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  20. Stainless Steel solid desiccator shelf with lip | 1976-05 displayed
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  21. 1504-01-rack-storage-chamber-EPSS | 1504-01 displayed
    Rack, Storage Chamber, 304 SS, 12''L x 7.5''H x 13/16''D Stocked Item is in stock and ready for immediate shipping
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Stainless Steel Desiccator Cabinets

  • Desiccators: Features and Design overview
  • Video Overview of Stainless Steel Desiccator Cabinets Stainless Steel Desiccator Cabinets
  • Stainless Steel Desiccator Cabinets with Chamber-Level Humidity Control Series 400 Stainless Steel Desiccator Cabinets
  • 304 stainless steel desiccator cabinet for storing microarray kits and reagents Stainless Steel Desiccator Cabinets for Microarray Kits and Reagents
Video Overview of Stainless Steel Desiccator Cabinets

Features and Benefits

Desiccator Dual Purge System

Dual Purge™ System

  • Cuts nitrogen waste, guards against oxidation
  • Ensures a constant positive pressure inside desiccators and other enclosures to block contamination and moisture inflow
  • Automatically activates high-flow purge when doors are opened to ensure fast, effective purge of particles and moisture
  • Operates in tandem with NitroWatch® to maintain any desired sub-ambient moisture level (down to 0% RH)
  • Guards against pressure damage to desiccator doors and seals
  • Door switches are highly reliable—rated for over 10 million operations

Desiccators must be continuously purged with nitrogen or another process gas in order to ensure a controlled environment free of contaminants and moisture.

Unfortunately, however, a steady gas inflow can't guarantee the clean, dry conditions you require. A flow adequate to maintain a safe internal positive pressure when doors are closed is insufficient to overcome the backflow of outside air that occurs when a door is opened. A higher-level purge that might guard against this backflow wastes nitrogen and leads to over-pressurization that warp doors and damage seals.

Dual Purge System Offers Variable-Purge Security

The Desiccator Dual Purge System solves these problems by providing a higher flow level only when it's needed, and only for as long as it's needed.

It relies on a sensor switch installed on each door. During normal operation, with all doors closed, the system maintains an economical low flow of nitrogen into the desiccator to ensure a constant positive pressure of about 0.05" WG (Water Gauge)—just enough to block out moisture and contaminants.

When a door is opened, the sensor switch immediately activates a high-flow purge of nitrogen into the desiccator's plenum chamber that minimizes the influx of moisture and contaminants.

When the door is closed, the high-level gas flow continues to purge the desiccator for a selectable period of time, ensuring that any moisture that does enter the chamber is quickly forced out of the Automatic RB® (Relief/Bleed) Valve, before it can degrade sensitive materials. This time delay is adjustable, so you can retain the high-flow for a longer time when you suspect moisture contamination may have occurred. Note: The Automatic RB® Valve must be ordered separately.

The dual-purge capabilities of these units ensure that contaminants and moisture stay outside the processing chamber and at the same time guard against dangerous over-pressurization that can lead to warped doors, failed seals—even explosions! And because the Dual Purge System delivers only as much gas as is necessary, it economizes on nitrogen consumption; tests show that in many applications, these units can pay for themselves in a matter of months.

Safety Alarms Ensure Worry-Free Operation

The Dual Purge System incorporates a flowmeter, a line pressure gauge and a variable purge mechanism. A “Low-Pressure” alarm is activated if the incoming line pressure is ever interrupted. This dual audible/visible alarm alerts you to a disconnected supply line, an empty gas storage pod, or other problem that could spell disaster for contents of a desiccator or glove box!

NitroWatch™ Controller Expands Capabilities

The Dual Purge System operates in tandem with Terra's NitroWatch System to fully automate moisture control.

The NitroWatch includes a humidity sensor that continuously monitors the internal RH level and activates the Dual Purge to automatically maintain any sub-ambient humidity threshold you require (down to 0% RH). For more critical requirements, select the NitroPlex™, which combines this automatic humidity control with multiplexed purge capability. In all of these applications, the Automatic RB Valve is required to ensure safe relief of over-pressurization that can build inside a chamber.

  • Dimensions: 12"W x 11.25"D x 7"H (305 mm x 286 mm x 178 mm)
  • Weight: 16 lbs. (7258 g.)
  • Flowmeter: 0-20 SCFH
  • Line Pressure Gauge: 0-60 psi
  • Chamber Sensor: 0 - 0.4" WG (factory set at 0.02" WG)
  • Inlet/Outlet: 0.25" (6 mm) (accepts 0.25" (6 mm) OD polyethylene tubing)
  • Case Material: 304 stainless steel; Chrome plated or stainless steel internal fittings
  • Power Requirement: 110/220VAC, 50/60Hz (requires no manual power setting)
  • Timer Adjustment: 0-8 minutes (factory set at 1 minute)
The variable Purge Advantage:
Low Flow Conserves N2
when Doors Closed
High Flow Efficiently Purges
Moisture when a Door Opens
Automated Humidity control
Low Flow Conserves N2
when Doors Closed and %RH Under Set Point
High Flow Efficiently Purges
Moisture when Door Opened or %RH Under Set Point

Stainless Steel Door Frame

Stainless steel-reinforced door frame with non-adhesive, "e-profile" gaskets ensures a long service life; shown on Series 400 Stainless Steel NitroPlex desiccator.

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.

Automatic RB Valve

During normal operation, it allows a continuous low-level release of gas to maintain a positive pressure. It also functions as a check valve to ensure that air and contaminants cannot enter the enclosure in the event of a momentary negative pressure.

NitroPlex-Ready

Available NitroPlex Module automatically monitors and maintains low-RH set point to protect delicate samples while conserving nitrogen purge gas.

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

Stainless Steel Desiccator Cabinet with Racks and Shelving

All-stainless steel Series 400 Desiccator cabinets include stainless steel wire racks and a perforated pull-out shelf; order additional perforated or non-perforated shelves to suit storage requirements.

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.

Individual RH control for Each Chamber

NitroPlex automated system for each chamber controls RH levels down to 1%. Directs nitrogen to individual chambers to maintain their humidity levels below set point. Cuts operational cost by reducing nitrogen consumption; protects products by cutting RH recovery time and moisture exposure.

Desiccator Access

Single-side access features a door opposite a non-opening rear wall, often with a plenum chamber for uniform gas distribution. Vacuum desiccator access is typically via a removable top. Dual-side access lets operators on both sides access stored contents.

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

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.
  • 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.
  • Relative Humidity Temperature Data Logger
    Battery-powered RH/Temperature Data Logger measures and records internal desiccator environment at specified intervals; download to a PC to meet QA/QC or regulatory requirements.
  • Jumbo Display Hygro-Thermometer
    Digital temperature/humidity gauge is ideal for monitoring temperature and humidity.
  • Microwaveable Kleer-Vue Sorbent Box
    An alternative to nitrogen purging, these desiccant units contain indicating silica gel that turns from blue to pink as moisture is absorbed.
  • 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.

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