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Smart Pass-Through™ Chamber
See how much more a pass-box can accomplish!

Turn your pass-though into an integrated part of your sample processing operation. The revolutionary Smart Pass-Through with automated electronic door interlock monitors "blind-side" conditions and lets you mix and match performance-enhancing accessories, including operation alerts, access security controls, HEPA air shower or continuous air scrubber, UV-C sanitizer and refrigeration module.
smart-pass-through
Flush-mount design installs in less than five minutes and includes status alert logos:
solid glow indicates chamber ready to access; flash indicates  door interlock is active
or door-left-ajar (shown: No. 2635-10B-2-316).

Features Key
  Standard
  Option

A
Automated electronic interlock isolated outside the transfer chamber for easy chamber cleaning
B
Smart Control Module provides service alerts to operators on both sides
C
Doors lift off for easy cleaning and sterilizing
D
Integral clean-side, flush-mount wall bracket requires no fasteners or caulking - installs in under five minutes!
E
Unique design features rounded corners with no cracks or lips; ideal for strict cleaning protocol and easy parts transfer
F
Electropolished 316L chamber and latches eliminate surface contaminants and irregularities
G
Stainless steel-reinforced, removable doors with static-dissipative PVC viewing windows
I
One-piece, heat-formed, non-adhesive gaskets won’t creep or outgas
 
Expand capabilities of your pass-through!
  • Hands-free operation
  • Secure access monitor/control
  • Parts disinfection
  • Local/remote datalogging
  • HEPA air scrubbing
  • More!

More on optional accessories …

cleanliness high
 
Removable Rack and Shelf System
Also available for center-mounting in cleanroom wall (shown: No. 2635-10B-2-316-CM; see ordering information below)

  FEATURES & BENEFITS | Smart Pass Through
Alt Text
Automatic Electronic Interlock
Smart automatic interlock provides audible and visual status alerts to indicate door-open or -left-ajar. It engages when lifting the door handle(s).
Alt Text
Flush-Mount Designs
Seamless mounting bracket fits flush against cleanroom wall to eliminate surfaces that collect particles.

Beveled Exit Slots
Minutes to Install in Any Wall
Unique clamping system lets you install or replace a chamber in under 5 minutes.
Adjusts to any wall thickness.

Smooth, Lipless Chamber Interior
Seamless design with rounded corners simplifies cleaning; no-lip entry eliminates clearance obstructions
Lift-Off Reinforced Doors
Removable, stainless steel-reinforced doors feature mechanically fused gaskets that won't creep or outgas.
Available UV & LED lights
Lights are recessed for easy cleaning: UV-C module with safety switch neutrailizes microbes.
New hinge design
Floor Models with Sloped Ramps
Angled slope on front and both sides eliminates hard bumps as you roll carts into chamber. Removable for easy cleaning.
Alt Text
Available Access Security
Fingerprint, iris or card readers provide access monitoring and control.
Other Optional Accessories
Load presence sensor, message panel, air shower and other add-on options.


  • Provides audible and visible alerts when automated door interlock is active or door-is-left-ajar to prevent forcing and potentially damaging locked doors
  • Signals when chamber is ready to load or unload with a continuous door alert light
  • Flush-mount design eliminates surfaces on “clean side” that collect germs and other contaminants
  • Easy installation allows the pass-through to be conveniently removed for servicing or upgrade without compromising the cleanroom environment - adjusts to any wall thickness >2"
  • Double-wall construction isolates the automatic electronic interlock outside the transfer chamber for easy cleaning and sterilization of chamber interior
  • Provides power integration of all selected options: UV light, air shower, data logging, biometric security features and more
  • Includes two plug-in chimes for remote audible detection – up to 200 feet away – of door-open/-ajar status

Flush-Mount System Allows Servicing or Replacement without Cleanroom Shutdown!

passthrough replacement steps
Terra's quick-mount system installs in under five minutes, regardless of wall thickness and without contamination
A Inside of flush-mount bracket on opposing side
B Bolt guide extending from nut welded to opposing bracket
C Mounting bolt (one, two or three per side, depending on chamber height) - standard sizes accommodate any wall thicknesses
D Mounting bracket
E Bracket cover
F Standard wall (masonry or drywall)

The simplicity of the flush-mount clamping system makes removal of the pass-through chamber just as easy as installation. If the wall cut-out framing is properly sealed prior to installation, the pass-through can be quickly removed and replaced without ever having to shut down the cleanroom. Maintain the positive-pressure differential and protect the cleanroom environment by sealing off the "dirty side" with plastic sheeting prior to removal. Loosen the lag bolt so that the pass-through lifts 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.

cleanroom passthrough cleaning
Finish cut-out framing to minimize
contamination exposure during servicing

Rack and Shelf System
Several models available to meet your application requirements.
Removable Rack and Shelf System Removable Rack and Shelf System

alarm
Service Alerts are wirelessly transmitted to remote plug-in chimes (remote data logging also available).
Smart Control Module: Guarantees Compliance with Operating Protocol
An interlocked pass-through is designed to prevent cross-contamination of a classified space. Situations like these, however, often thwart intended operation:

“Hello? Anyone there?”—Operators often have trouble alerting a colleague on the other side of the wall to unload the chamber.

“If it won’t open, force it!”—a door-left-ajar locks out the opposing side, frustrating an operator’s attempt to transfer materials. Worse, an operator may pull an interlocked door till it breaks!

“Power-cord spaghetti”—Smart Pass-Throughs provide a single power supply for many optional features, eliminating tangled cords.

It also provides a central point of power connection for accessories and triggers operation cycles.

pass-through

Access Clearances
Width = W (nominal) – 1.88"
Depth = D (nominal)* – 0.12"
Height = H (nominal) – 1.25"

Wall Cut-Out = W (nominal) + 3" x H (nominal) + 1"

pass-through Standard Door Configuration
 

 

pass-through
"Dirty”-side outer  panel provides access to
interlock chamber.

pass-through pass-through Flush-Mount Smart Pass-Throughs
Easy-clean mounting system takes less than 5 minutes to install
pass-through pass-through Center-Mount Smart Pass-Throughs
Ideal for facilities that won't allow full chamber extension on one side or deep chambers that require center-wall support. Center-mount models include Terra's quick-mount system: installation in under 5 minutes!
pass-through pass-through Fire-Rated Smart Pass-Throughs
Feature the UL 10B label for 90-minute fire exposure


Ordering Information
Need Terra to do your installation? Call to discuss your facility and schedule.
Why is Electropolishing Critical?
Removes iron and other surface impurities that cause corrosion
Draws chromium and nickel to form a hard, protective finish
Removes irregularities (pits and burs) for an ultra-smooth surface that's easy to clean
More on Terra's electropolishing procedures...
Architects & Builders: Click resource icons
SPEC logo BIM logo
Click any price to add to cart.
Blue Prices show stock on hand. More . . .
Don't risk operational delays or cleanroom shutdown because of a damaged door! 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.
Flush-Mount Smart Pass-Through
Mount
Type
Outside Dimensions
W" x D" x H" (mm)
Add 3" to width and
1" to height
for cut-out.
Inside Dimensions
W" x D" x H" (mm)
Electropolished 316L SS*

Cat. # Price

Wall

37.5 x 24 x 25.6
(955 x 610 x 650)
24 x 24 x 24
(610 x 610 x 610)
2635-10B-2-316 Price
37.5 x 36 x 25.6
(955 x 914 x 650)
24 x 36 x 24
(610 x 914 x 610)
2635-11B-2-316 Price
49.5 x 36 x 25.6
(1260 x 914 x 650)
36 x 36 x 24
(914 x 914 x 610)
2635-12B-2-316 Price
37.5 x 24 x 37.6
(955 x 610 x 955)
24 x 24 x 36
(610 x 610 x 914)
2635-13B-2-316 Price
37.5 x 24 x 49.6
(955 x 610 x 1260)
24 x 24 x 48
(610 x 610 x 1219)
2635-14B-2-316 Price
43.5 x 30 x 31.6
(1105 x 762 x 803)
30 x 30 x 30
(762 x 762 x 762)
2635-21B-2-316 Price
49.5 x 36 x 37.6
(1260 x 914 x 955)
36 x 36 x 36
(914 x 914 x 914)
2635-15B-2-316 Price
49.5 x 36 x 49.6
(1260 x 914 x 1260)
36 x 36 x 48
(914 x 914 x 1219)
2635-16B-2-316 Price
Floor** 37.5 x 24 x 37.6
(955 x 610 x 955)
24 x 24 x 36
(610 x 610 x 914)
2635-17B-2-316 Price
49.5 x 36 x 37.6
(1260 x 914 x 955)
36 x 36 x 36
(914 x 914 x 914)
2635-18B-2-316 Price
49.5 x 36 x 49.6
(1260 x 914 x 1260)
36 x 36 x 48
(914 x 914 x 1219)
2635-19B-2-316 Price
* Windows are static-dissipative PVC.
** Floor Mount models include low-profile access ramps for easy transport of carts (subtract 1" (25 mm) from internal vertical clearance to compensate for ramps).
For center-mount models below, specify desired position in wall and wall thickness when ordering.
Center Mount Smart Pass-Through
Mount
Type
Outside Dimensions
W" x D" x H" (mm)
Add 3" to width and
1" to height
for cut-out.
Inside Dimensions
W" x D" x H" (mm)
Electropolished 316L SS*

Cat. # Price

Wall

37.5 x 24 x 25.6
(955 x 610 x 650)
24 x 24 x 24
(610 x 610 x 610)
2635-10B-2-316-CM Price
37.5 x 36 x 25.6
(955 x 914 x 650)
24 x 36 x 24
(610 x 914 x 610)
2635-11B-2-316-CM Price
49.5 x 36 x 25.6
(1260 x 914 x 650)
36 x 36 x 24
(914 x 914 x 610)
2635-12B-2-316-CM Price
37.5 x 24 x 37.6
(955 x 610 x 955)
24 x 24 x 36
(610 x 610 x 914)
2635-13B-2-316-CM Price
37.5 x 24 x 49.6
(955 x 610 x 1260)
24 x 24 x 48
(610 x 610 x 1219)
2635-14B-2-316-CM Price
43.5 x 30 x 31.6
(1105 x 762 x 803)
30 x 30 x 30
(762 x 762 x 762)
2635-21B-2-316-CM Price
49.5 x 36 x 37.6
(1260 x 914 x 955)
36 x 36 x 36
(914 x 914 x 914)
2635-15B-2-316-CM Price
49.5 x 36 x 49.6
(1260 x 914 x 1260)
36 x 36 x 48
(914 x 914 x 1219)
2635-16B-2-316-CM Price
Floor** 37.5 x 24 x 37.6
(955 x 610 x 955)
24 x 24 x 36
(610 x 610 x 914)
2635-17B-2-316-CM Price
49.5 x 36 x 37.6
(1260 x 914 x 955)
36 x 36 x 36
(914 x 914 x 914)
2635-18B-2-316-CM Price
49.5 x 36 x 49.6
(1260 x 914 x 1260)
36 x 36 x 48
(914 x 914 x 1219)
2635-19B-2-316-CM Price
* Windows are static-dissipative PVC.
** Floor Mount models include low-profile access ramps for easy transport of carts (subtract 1" (25 mm) from internal vertical clearance to compensate for ramps).
 
Fire-Rated Smart Pass-Through Panels
The front panel of these models bears the UL 10B label for 90-minute fire exposure (suitable for 2-hour wall rating). The fire-rated door includes 2" of insulation and a paddle-style pull-latch. All models include viewing windows for convenient monitoring of pass-through contents, along with all the standard features of the Smart Pass-Through outlined above.

Door model 2635-10A-2-FR shown here. Fire rating applies to flush-mount panel only.

Testing Standards:
ANSI/UL 10B
CAN/ULC-S104-10
Ul logo

Fire-Rated Smart Pass-Through
Mount
Type
Outside Dimensions
W" x D" x H" (mm)
Add 2" to width and
1" to height
for cut-out.

Inside Dimensions
W" x D" x H" (mm)
Electropolished 316L SS*

Cat. # Price

Wall

29.5 x 24 x 25.6
(749 x 610 x 650)
24 x 24 x 24
(610 x 610 x 610)
2635-10B-2-316-FR Price
29.5 x 36 x 25.6
(749 x 914 x 650)
24 x 36 x 24
(610 x 914 x 610)
2635-11B-2-316-FR Price
41.5 x 36 x 25.6
(1054 x 914 x 650)
36 x 36 x 24
(914 x 914 x 610)
2635-12B-2-316-FR Price
29.5 x 24 x 37.6
(749 x 610 x 955)
24 x 24 x 36
(610 x 610 x 914)
2635-13B-2-316-FR Price
29.5 x 24 x 49.6
(749 x 610 x 1260)
24 x 24 x 48
(610 x 610 x 1219)
2635-14B-2-316-FR Price
35.5 x 30 x 31.6
(902 x 762 x 803)
30 x 30 x 30
(762 x 762 x 762)
2635-21B-2-316-FR Price
41.5 x 36 x 37.6
(1054 x 914 x 955)
36 x 36 x 36
(914 x 914 x 914)
2635-15B-2-316-FR Price
41.5 x 36 x 49.6
(1054 x 914 x 1260)
36 x 36 x 48
(914 x 914 x 1219)
2635-16B-2-316-FR Price
* Windows are static-dissipative PVC.


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.
See operation video above!
Cat. # Price
2635-60 Price
samrt pass-through

Smart Pass-Through with Slide-Up Access Doors
These Smart Pass-Throughs feature dual counterweighted sliding doors that allow access to pass-through interior without the clearance requirements of a large swing door. The full-view static-dissipative PVC doors, mounted on stainless steel rails with counterweights for smooth, clean operation, provide complete visibility of chamber interior. The electronic interlock prevents both doors from opening at once, thereby preventing cross contamination. This automated feature engages as soon as the latch is lifted to open the door; no additional manual steps are necessary.

As soon as a door opens, the Smart Pass-Through is programmed to alert personnel on the opposing side that the interlock is active. On a custom basis, multiple chambers and even cleanroom doors can be interlocked to prevent more than one chamber or door at a time from opening. Select Access Control options below to monitor or restrict personnel access. Dimensions: 11.8"W x 19.7"D x 31.5"H (excluding hardware) Materials: 304 Stainless Steel housing and door track; static-dissipative PVC doors

Outside Dimensions
(excluding hardware)
Cat. # Price
11.8”W x 19.7”D x 31.5”H 2635-45 Price
23.6”W x 19.7”D x 31.5”H 2635-46 Price
smart pass-through
No. 2635-46 Smart Pass-Through: sliding doors eliminate clearance requirements
– perfect for cramped spaces!
Automated electronic interlock prevents cross contamination, activates Smart Pass-Through status alert.

Get more performance from your Smart Pass-Through!
  • Automatic Doors
  • UV-C Light
  • Micro-Filtered Air Shower
  • Recessed LED Light
  • Message Panel
  • Biometric/Keypad Door Control
  • Remote Wireless Door Control
  • Bar Code Scanner
  • Local/Remote Datalogging
  • Pushbutton Intercom
  • Load Pressure Sensor
  • Door Status Display Bar
  • Internal Video Camera
  • Refrigeration Module
  • Adjacent-Wall Access Doors
  • Removable Racks and Shelves
  • Ventilation Module
  • More !
More on optional accessories …
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