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Walk-in Series

WR-Panel -

With panel-construction, walk-in workspaces performance comes in many forms.

STRUCTURE.  You gain most flexibility with self-supported, panel-construction, walk-in chambers as they allow for free-standing, self-supporting units that are cost-effective and efficient. Panelized construction allows the installation to fit through most doorways as it is assembled on-site.  Panel thickness, flooring, and door size are interchangeable to meet your environmental testing needs; and there are several options that allow you to get the ports and viewing-windows, and accessibility you are looking for.

Panel construction made of a high-quality, polyurethane-injected core with a polyurethane frame for a highly-dense, 2.5 pounds per cubic foot, substrate that is 101 millimeters thick. With an R-value of approximately 32, these chambers are best for temperatures ranging from -65°C to +85°C (-85°F to +185°F) with relative humidity as high as 85%. We do offer custom higher-temperatures up to 150°C/302°F still utilizing panelized chambers.

PERFORMANCE.  To optimize temperature conditions within the workspace, specially designed plenums are designed so air is conditioned immediately within the workspace or in a separate plenum depending on how your product fits into the test chamber workspace. 

Airflow for products under test is fed by stainless steel blower wheels at the back wall or from the top, specially designed baffles discharge conditioned air in the direction that most thoroughly conditions all of the air around your product at the same rate. As air enters workspace intake fans directing the flow through a plenum area where the air is conditioned to the correct temperature. Before the air reaches the product it flows through registers with baffles that direct the air to move uniformly around your product. 

Access ports and viewing windows can be placed where you need them along the panel walls or in the door. Most commonly they are placed on the left and right side walls and are centered front to back and spread equidistance top to bottom.

HEATING SYSTEM.  Panel walk-in chambers are equipped with a combination of ceramic core and nichrome rod heaters spread across plenum for reliable and accurate temperature control within ±0.5°C.

COOLING SYSTEM.  The cooling system consists of a self-contained mechanical refrigeration system with a single-stage or cascade configuration, using an air-cooled or water-cooled condenser depending on your test needs and incorporating your facility restrictions. 

Add boost cooling with liquid LN2 or CO2 for even faster pull-down rates. It's a great option for stress tests that require rapid cooling.  Even without boost cooling, AES’ standard cascade refrigeration systems have the fastest standard change rates of any environmental test chamber manufacturer.

INSTRUMENTATION.  All walk-in test chambers have incorporated AESONE CONNECT creating a robust connected device for a standard and uniform interface making monitoring and operating your test chamber easier.

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  • Applications
  • Standard Features
  • Instrumentation
  • Safety Features
  • Optional Features

Applications

PANEL WALK-INS COME IN VARIETY OF SIZES AND SHAPES OFFERING COMPLETE FLEXIBILITY

STABILITY WALK-IN CHAMBERS

When products need to be tested or stored in a constant environment, stability chambers will replicate such conditions.

Stability chambers are meant to run constantly for long periods of time at a consistent temperature with or without humidity.

These steady-state chambers are electronically configured to meet several governmental regulations and test requirements in industries such as electronics, healthcare, food and beverage, packaging, life science, and more.  Chambers are always factory set and configured to meet your specific test requirements, and a service team member can calibrate the chamber to ensure accuracy.

Below are common sizes manufactured at Associated Environmental Systems in Acton, Massachusetts.  We are known for building custom stability chambers which meet our customers specifications with the same manufacturing lead times as standard chambers.

Common Stability Walk in Chamber Data Chart (1)

WALK-IN PERFORMANCE CHAMBERS 

Performance chambers are used for iterative testing where conditions fluctuate. 

Chambers are available in more than two dozen sizes and can be combined with many power packages.  Below is a small sampling of our most common chamber sizes with associated power packages to help you understand the performance options available to you.  The matrix allows you to choose by size or by performance needs.

walk-in-chart-web-op

Extended performance test chambers are typically constructed using solid structure walls due to pressure created within the workspace.  Unique circumstances can apply to allow extended performance capabilities within a panel test chamber, discuss your options with AES sales and engineering team members to specify your needs. 

Specifications

  • interior cabinet: stainless steel, type 304
  • exterior cabinet: polyurethane foam panels are lined with an easy-to-clean finish, color: white
  • port configuration, 2 ports included
  • internal lights with external switch
  • full opening door, hinge-side determined by customer
  • 1 multi-pane viewing window in the door included
  • forced air circulation

Instrumentation

STANDARD INSTRUMENTATION

CONTROLLER

Walk-in Series Test Chambers have incorporated AESONE CONNECT creating a robust connected device for a standard and uniform interface making test chamber operation easier.

AESONE XCHANGE increases your functionalityaesone-connect-1

  • connects the test chamber controller to your network for increased accessibility
  • on-board multi-year data logging

AESONE SOFTWARE gives you the power to

  • remote chamber operation and monitoring, 
  • web-based test profile creation, 
  • viewing current data and historical data visually
  • secure multi-level user access 

ADDITIONAL ONBOARD INSTRUMENTATION

WATLOW F4T PROGRAMMABLE CONTROLLER. Features a 4.3” capacitive touchscreen minimizing the chance for error. Ethernet communication supported by AESONE HARDWARE. View more controller options

SENSORS.

for temperature, 100 OHM platinum RTD is highly-accurate sensor made from platinum components for increased sensitivity
for humidity, solid-state sensor for 10-95% relative humidity

OPTIONAL DATA LOGGERS. View additional data loggers

Safety Features

  • Adjustable Digital Set Limit Controller - Indicating High-Temperature Safety
  • Over Temperature Heat Fusing
  • Refrigeration System Over Pressure Safety Circuit
  • TUV Rheinland Certified Meeting UL 508A, US, C, E

Optional Features

  • LN2 Boost Cool
  • CO2 Boost Cool 
  • Adjustable Saftey with Alarm 
  • Honeywell Chart Recorder 
  • Honeywell Digital Chart Recorder 
  • Change Port Size/Access Point 
  • Desiccant Air Dryer to ensure conditions as low as 5% RH 
  • Dry Nitrogen Purge to keep condensation and frost from accumulating on DUT surfaces at cold temperatures and to prevent oxidation of metals surfaces at high temperatures
  • Dehumidifier 
  • Water-Cooled Condenser 
  • Noise Reduction Package 
  • Alternative Power Requirements 
  • Other Options Available on Request