Electronic Pass Through Chambers

74 products meet your criteria.

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  1. Smart™ Pass-Through Chambers
    Stocked
    Smart™ Pass-Through Chambers
    Group of 25 products
    From
    $9,702
    Some ship in 1 - 3 days
    UL Leak RatingUL Leak RatingStockedStocked
    2 Material5 Chamber Width5 Chamber Depth6 Chamber Height4 Mounting Position2 Storage Racks1 Voltage

    • SS reinforced door frames and one piece gasket

    • Removable doors

    • Rounded corners for strict cleaning and sterilization protocols

    • Isolated automatic electronic interlock

    Available Material: 304 Stainless Steel, 316L Stainless Steel
    Available Chamber Width: 24.5", 24", 36", 30", 18"
    Available Chamber Depth: 19.8", 24", 36", 30", 18"
    Available Chamber Height: 17", 24", 36", 48", 30", 18"
    Available Mounting Position: Flush Wall, Flush Floor, Center Wall, Center Floor
    Available Storage Racks: Included, Optional
    Available Voltage: 120 V
  2. Fire-Rated Smart™ Pass-Through Chambers
    Fire-Rated Smart™ Pass-Through Chambers
    Group of 6 products
    From
    $10,969
    Some ship in 10 - 15 days
    Fire Rated IconFire Rated IconStockedStocked
    1 Material3 Chamber Width4 Chamber Depth4 Chamber Height2 Mounting Position1 Storage Racks1 Voltage

    • CleanMount Smart pass-through; touch screen controls

    • SS reinforced door frames and one piece gasket

    • Removable doors

    • Rounded corners for strict cleaning and sterilization protocols

    • Isolated automatic electronic interlock

    Available Material: 316L Stainless Steel
    Available Chamber Width: 24", 30", 18"
    Available Chamber Depth: 24", 36", 30", 18"
    Available Chamber Height: 24", 36", 30", 18"
    Available Mounting Position: Flush Wall, Flush Floor
    Available Storage Racks: Optional
    Available Voltage: 120 V
  3. Smart™ Pass-Throughs with Recirculating HEPA Filtration
    Stocked
    Smart™ Pass-Throughs with Recirculating HEPA Filtration
    Group of 6 products
    From
    $12,497
    Some ship in 1 - 3 days
    UL Leak RatingUL Leak RatingStockedStocked
    1 Material3 Chamber Width3 Chamber Depth3 Chamber Height2 Mounting Position2 Voltage

    • Smart pass-through; touch screen controls

    • Recirculating HEPA filtration

    • SS reinforced door frames and one piece gasket

    • Removable doors

    • Coved corners for strict cleaning and sterilization protocols

    • Isolated automatic electronic interlock

    Available Material: 316L Stainless Steel
    Available Chamber Width: 24", 30", 18"
    Available Chamber Depth: 26", 48", 18"
    Available Chamber Height: 24", 60", 18"
    Available Mounting Position: Flush Wall, Flush Floor
    Available Voltage: 120 V, 220 V
  4. Fire-Rated Smart™ Pass-Throughs with Recirculating HEPA Filtration
    Fire-Rated Smart™ Pass-Throughs with Recirculating HEPA Filtration
    Group of 4 products
    From
    $13,764
    Some ship in 5 - 9 days
    Fire Rated IconFire Rated Icon
    1 Material2 Chamber Width2 Chamber Depth2 Chamber Height1 Mounting Position2 Voltage

    • Recirculating HEPA filtration

    • SS reinforced door frames and one piece gasket

    • Removable doors

    • Coved corners for strict cleaning and sterilization protocols

    • Isolated automatic electronic interlock

    Available Material: 316L Stainless Steel
    Available Chamber Width: 24", 18"
    Available Chamber Depth: 24", 18"
    Available Chamber Height: 24", 18"
    Available Mounting Position: Flush Wall
    Available Voltage: 120 V, 220 V
  5. BioSafe® Smart™ Pass-Throughs
    BioSafe® Smart™ Pass-Throughs
    Group of 13 products
    From
    $14,888
    Some ship in 16 - 26 days
    UL Leak RatingUL Leak RatingBioSafeBioSafe
    2 Material6 Chamber Width4 Chamber Depth6 Chamber Height4 Mounting Position2 Storage Racks1 Voltage

    • CleanMount BioSafe Smart pass-throughs, touch screen controls

    • Removable, autoclavable doors; polyurethane gasket, knife edge seal

    • SS reinforced door frames

    • Coved corners for strict cleaning and sterilization protocols

    • Automatic electronic interlock, isolated from chamber

    Available Material: 304 Stainless Steel, 316L Stainless Steel
    Available Chamber Width: 24.5", 30", 24", 27.5", 41", 27"
    Available Chamber Depth: 19.8", 30", 24", 36"
    Available Chamber Height: 17", 30", 24", 36", 50", 52"
    Available Mounting Position: Flush Wall, Flush Floor, Center Wall, Center Floor
    Available Storage Racks: Included, Optional
    Available Voltage: 120 V
  6. Air Shower Pass-Throughs
    Air Shower Pass-Throughs
    Group of 4 products
    From
    $12,825
    Some ship in 25 - 35 days
    2 Material1 Chamber Width1 Chamber Depth1 Chamber Height2 Voltage

    • Adjustable nozzles and PLC control panel

    • Automatic electronic interlocks

    • Touch screen controls

    • Stainless Steel reinforced doors

    Available Material: Powder-Coated Steel, 304 Stainless Steel
    Available Chamber Width: 35"
    Available Chamber Depth: 32"
    Available Chamber Height: 48"
    Available Voltage: 120 V, 240 V
  7. Refrigerated Smart™ Pass-Through Chambers
    Refrigerated Smart™ Pass-Through Chambers
    Group of 8 products
    From
    $19,292
    Some ship in 16 - 26 days
    UL Leak RatingUL Leak Rating
    1 Material3 Chamber Width3 Chamber Depth4 Chamber Height1 Mounting Position1 Voltage

    • CleanMount Smart pass-through; touch screen controls

    • SS reinforced door frames and one piece gasket

    • Rounded corners for strict cleaning and sterilization protocols

    • Isolated automatic electronic interlock

    Available Material: 316L Stainless Steel
    Available Chamber Width: 24", 36", 30"
    Available Chamber Depth: 24", 36", 30"
    Available Chamber Height: 24", 36", 48", 30"
    Available Mounting Position: Flush Wall
    Available Voltage: 120 V
  8. Slide-Up Door Smart™ Pass-Through Chambers
    Slide-Up Door Smart™ Pass-Through Chambers
    Group of 2 products
    From
    $14,238
    Some ship in 5 - 9 days
    1 Material2 Chamber Width1 Chamber Depth1 Chamber Height1 Mounting Position1 Voltage

    • CleanMount Smart pass-throughs, touch screen controls

    • Vertically-sliding, counter-weighted doors

    • Coved corners for strict cleaning and sterilization protocols

    • Automatic electronic interlock

    Available Material: 304 Stainless Steel
    Available Chamber Width: 12", 21.5"
    Available Chamber Depth: 19.7"
    Available Chamber Height: 31.5"
    Available Mounting Position: Flush Wall
    Available Voltage: 120 V
  9. Smart™ Outdoor Access Pass-Through Chambers
    Smart™ Outdoor Access Pass-Through Chambers
    Group of 6 products
    From
    $10,702
    Some ship in 10 - 20 days
    1 Material3 Chamber Width3 Chamber Depth4 Chamber Height2 Mounting Position

    • Ideal for secure outdoor access applications including mail and/or pharmacy pickup and delivery

    • Electronically controlled door interlocks provides audible/visible door-opening alerts

    • Coved corners, with partial welds

    • Self-closing doors with one-way mirror on inside door

    Available Material: 316L Stainless Steel
    Available Chamber Width: 18", 24", 36"
    Available Chamber Depth: 18", 24", 36"
    Available Chamber Height: 18", 24", 48", 36"
    Available Mounting Position: Flush Wall, Flush Floor
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74 products meet your criteria.

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Features and Benefits

90° Corner Design

Custom door configurations are no problem. Install Smart pass-throughs in corner walls, with door swings in either direction.

Intercom System

Built-in speaker system allows users to place calls to the other room; shares power supply with the pass-through.

LED Recessed Light

Activates when either pass-through door opens; flush with the wall surface, covered by a static-dissipative PVC lens.

Interlock Status Lights

Red light indicates opposing door is open (interlock engaged); green light means door available for use.

Wireless Door Alert

Alarm bell rings when its assigned door is open (two bells per chamber); plugs into a standard wall outlet.

CleanMount™ Quick Install System

Clean-Mount™ design allows pass-through installation flush against the cleanroom wall in a few minutes, without screwing into the wall; mounting brackets clamp flush against walls of any thickness.

Flush-Mount Design Prevents Dust Accumulation

CleanMount® pass-throughs hug the cleanroom wall, eliminating gaps that collect germs and particle and making them ideal for critical bio/pharmaceutical cleanroom use.

Stainless Steel-Reinforced Removable Pass-Through Door

The stainless steel-reinforced CleanMount® doors lift off for easy replacement or more thorough cleaning/decontamination.

CleanMount® Isolated Interlock Simplifies Cleaning!

Double-wall construction allows interlock installation outside of the main transfer chamber, leaving unobstructed, smooth interior surfaces that wipe down easily - ideal for critical bio/pharmaceutical processing.

Refrigerated Smart Pass-Through

Provide a stable temperature down to 5°C to preserve sensitive samples awaiting transfer to lab or cleanroom; includes door interlock with door status alerts ("dirty" side of wall shown).

Automatic Door—for Hands-Free Operation

Ideal for pharmacy and medical applications, this door is activated by a touchless sensor pad to minimize contamination during sample transfer. Its quiet, low-energy, ADA-compliant electromechanical actuator is installed entirely outside the transfer chamber to simplify cleaning and prevent particle influx. Tested for over a million operations. Typical installation is on “clean” side.

Glass Mount Passthrough

Steel pass-through chambers with internal dimensions of 24" x 24" x 24" or less, may be mounted in tempered glass cleanroom panels without the need for support frames. By avoiding support frames, facilities save on cost and personnel have fewer surfaces to sterilize. Pass-throughs must be center-mounted to evenly distribute the chamber's weight. Talk to a Terra Product Specialist about your room specifications.

Electronic Pass Through Chambers

  • Cleanroom Pass-Through Chamber Video Overview Cleanroom Pass-Through Features and Selection Guide
  • Fire-Rated Pass-Through Chamber
  • Automatic Door with Touchless Sensor Automatic Door with Touchless Sensor
  • Smart Pass-Through Chamber Electronic Door Interlock Smart Biosafe® Pass-Through Electronic Door Interlock
  • this video shows how the hands-free operation of the automatic pass-through door minimizes the potential for touch contamination Hands-Free, Automatic Pass-Through Door
  • Floor Mounted Recirculating Smart Passthrough Floor-Mounted Smart Pass-Through with Recirculating HEPA Filtration
  • Smart Cleanroom Pass-Through Chamber with Models Smart Pass-Through Chamber, 24"W x 24"D x 24"H
  • Terra Universal IQ-OQ Process
Cleanroom Pass-Through Chamber Video Overview
Automatic Door with Touchless Sensor
Smart Pass-Through Chamber Electronic Door Interlock
this video shows how the hands-free operation of the automatic pass-through door minimizes the potential for touch contamination
Floor Mounted Recirculating Smart Passthrough
Smart Cleanroom Pass-Through Chamber with Models

Technical Resources



Cleanroom Pass-Through Chambers FAQs

How does a pass-through enhance cleanroom operations?

Pass-through chambers reduce cleanroom foot traffic, the single largest source of particulate contamination and a significant operational expense. Instead of garbing up and carrying an object into the cleanroom, you simply transfer it through the pass-through chamber.

Interlocked pass-throughs prevent cross-contamination of adjoining spaces during this transfer by ensuring that only one door at a time can open. Various interlock designs enhance cleanliness and reliability.

What are my Interlock choices?

  • Conventional Mechanical Interlock: standard mechanical interlocks attach to the chamber interior and engage (lock) one door as soon as the other opens. This is a reliable design but creates cracks that are hard to clean or sterilize. Conventional interlocks also create an internal clearance obstruction and are subject to damage if an operator applies too much force to the interlocked door.
  • Isolated Mechanical Interlock: In double-wall pass-throughs, the interlock is mounted outside the transfer chamber, leaving interior surfaces smooth and easy to clean. Double-wall construction also adds to the rigidity and durability of the pass-through chamber. Like other mechanical interlocks, though, they provide no clear indication of when the opposing door is open or ajar.
  • Electronic Interlock: As long as power can be furnished to the chamber, an electronic interlock provides optimal cleanliness and operational versatility. Terra’s electronic interlock (a feature of all Smart Pass-Throughs) include LED status alerts on both sides of the chamber, letting operators know when the opposing door is open or ajar and thereby preventing effort to force, and potentially break, the interlocked door.

Electronic Smart Pass-Throughs introduce many other optional capabilities: access control and logging, HEPA air showers to remove particles from samples, sample presence sensing, refrigeration and more (see information on Smart Desiccators under Terra’s Electronic Pass-Through section).

How are Pass-Throughs installed?

Terra’s ValuLine and General Use Pass-Throughs use retaining brackets to hold the chamber to the wall. The bracket on the clean side is welded to the chamber. The one on the opposing side slides onto the chamber and fastens to the wood or metal framing that surrounds the wall cut-out.

Terra’s CleanMount® Pass-Throughs employ a unique clamping system that requires no penetrations in the cleanroom walls and mounts in just a few minutes. As long as the wall cut-out is finished and sealed, you can quickly install or remove the pass-through without a costly cleanroom shutdown and re-validation.

To perform maintenance without contaminating a classified space, you first seal off the “dirty side” with plastic sheeting to maintain the positive-pressure differential. Loosening two lag bolts lets you lift the pass-through out of the wall without contaminating the room. Once out, the pass-through can be serviced, modified, or even replaced with an upgraded version to accommodate new applications.

Finish cut-out framing to eliminate the need for shut-down during installation or servicing
Terra's CleanMount® system installs in under five minutes, regardless of wall thickness and without contamination
Are Terra Pass-Throughs flush- or center-mounted?

Terra offer designs for both requirements. The CleanMount® system mounts flush against the cleanroom wall to eliminate particle accumulation and simplify cleaning. Flush-mount chambers protrude into the “dirty” side room and can be braced, if needed; Terra provides supports for this purpose. Alternatively, chambers can be specified for center-mounting in nearly any wall thickness. Electronic pass-throughs can even be specified with access doors on adjacent corner walls.

Flush-Mount Installation
Pass-Through extending into “dirty” side, with support braces.
Smart Pass-Through for corner-wall installation


What makes a pass-through suitable for clean and sterile applications?

All CleanMount pass-throughs include an isolated interlock and smooth, coved corners for smooth internal surfaces that are easy to clean and sterilize. Doors feature a lift-off design for easy removal and cleaning, and 304 or 316L stainless steel surfaces stand up to common cleaning agents, including IPA. Terra’s ergonomic LiftLatches operate without metal-on-metal scraping inside the chamber, a common source of contaminants with rotary-style latches.

For the most demanding sanitary applications, specify a BioSafe® Pass-through, which adds an elastomeric door seal to the removable doors, making them autoclavable. All chambers can be electropolished upon request.

How can I extend the service life of my pass-through chamber?
Specify replacement doors.

Terra's pass-through chambers last indefinitely, much longer than our standard product revision cycle. Pass-Through doors, however, are subject to damage, and ordering a legacy replacement can be costly and disrupt cleanroom operation. To avoid these problems, order replacements at the time you purchase the pass-through chamber; simply add "-RH" (for right-side hinge) or "-LH" (for left-side hinge) to the part number of the chamber.

How can I optimize a Pass-Through for parts access?

Terra offers several shelf and tray options for transferring and organizing small parts, including BioSafe® removable rack and tray systems and slide-out shelving.

BioSafe® Slide-Out Rack
Slide-Out Shelf with Removable Tray

For transfer of carts, bulk material containers and other large equipment, Terra Standard Sizes up to 72”W x 84”H. Customer may customize dimensions as needed.

Do Pass-Throughs meet UL requirements for fire-rated walls?

Terra offers several pass-through configurations with doors that bear the UL-10B label for 90-minute fire exposure, suitable for a 2-hour fire wall rating. Models are available with and without viewing windows, in chamber sizes up to 33”W x 36”D x 45”H.

How else can I protect delicate samples in a Terra Pass-Through?

HEPA air showers remove particles from sample surfaces before they enter the cleanroom. Ventilation units are also available to duct fumes that might be present in a sample, allowing the pass-through to act as a drying system.

For biological applications, a UV-C lamp with safety circuit kills or neutralizes microbes, including viruses and mold spores, before sample transfer into a sterile lab.

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