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BD-108 Environmental Testing Chamber
Illustration of man next to  for scale
 Environmental Testing Chamber
Illustration of man next to  for scale



Liquid Cooled Oven icon

The BD-108 Model is a liquid-cooled laboratory oven capable of providing highly-stable, controlled, forced hot air circulation with rapid cooling using liquid LN2 or CO2. 

BD-100 Model Laboratory Ovens provide dry, air-circulated heat as an environmental testing condition. The ability to maintain precise temperatures occur with help from direct, drive-powered fans. 

CONSTRUCTION.  These liquid-cooled laboratory ovens feature a durable powder-coat finish over heavy-gauge steel, with stainless steel internal construction, and highly-efficient, low K factor, thermal insulation, this is built to last for many years.

CIRCULATION SYSTEM.  The performance level operates the internal workspace temperature from approximately -73°C to +220°C (approximately -100.4°F to +428°F). 

HEATING SYSTEM.  The oven features an industry-leading heating system equipped with low-watt density, ceramic core, nichrome heaters for accurate temperatures within ±0.5°C, as measured at the sensor. Optional heating system available to reach a high of 260°C  (-300°F to +500°F)

RAPID COOLING.  Liquid cooling will bring a hot oven down to ambient conditions and as low as  -73°C (-100°F) in just a couple of minutes. Pull-down rates for the liquid cooling process are much faster than traditional test chamber mechanical refrigeration.

CRYOGENIC COOLING.  To get temperatures to a cryogenic level, BD-108 laboratory ovens are achievable with a liquid LN2 option. This option allows the test chamber to reach a low of -180°C. Due to configuration changes, sizing may be different than shown in the basic specifications below. 

BD Series Laboratory Ovens are ideal for: 

  • aging
  • baking
  • curing
  • drying
  • sterilizing
  • and more.

If rapid cooling is not a requirement, take a look at the BD-900 Models. 

INSTRUMENTATION. The standard BD models have a manual-set digital controller. For more sophisticated test profiles, upgrade incorporates AESONE CONNECT creating a robust connected device giving you a standard and uniform interface that makes operation easier. Learn more in the Instrumentation Tab below.

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  • Specifications
  • Standard Features
  • Instrumentation
  • Safety Features
  • Optional Features
  • Downloads


BD Series

Illustration of a 6-foot tall man
Height: 72" (6' tall)


Height: 23"
Volume: 0.69 cu. ft.


Height: 29"
Volume: 0.99 cu. ft.


Height: 32"
Volume: 2.37 cu. ft.


Height: 38"
Volume: 4.13 cu. ft.


Height: 40"
Volume: 8 cu. ft.

BD-127 BD-927

Height: 63"
Volume: 27 cu. ft.

BD-164 BD-964

Height: 66"
Volume: 64 cu. ft.
Interior: 24.0W x 24.0D x 24.0H (in)
  609.5W x 609.5D x 609.5H (mm)
Exterior: 31.7W x 37.7D x 40.1H (in)
  805.2W x 957.6D x 1018.6H (mm)
Volume: 8 cubic ft
  226.53 liters
Temperature: -73°C to 220°C (-99.4°F to 428°F)
Rise Rate*: 4.88°C/min
Pull Down Rate*: 8.0°C/min
Electrical Supply:  120 VAC, 1 PH, 60 HZ
Full Load Amps: 22 A
Power Requirement: NEMA L5-30
Refrigeration System:  Liquid cooled-no mechanical refrigeration
Mobility: Will fit through 36 in doorway
Approximate Product Weight: 370.0 lbs (168 kg) without added options
Approximate Shipping Weight: 480.0 lbs (218 kg) without added options

*Rise and pull-down rates calculated using IEC 60068-3-5 standard. Custom options available.

*Ideal ambient temperature conditions for test chambers is 23°C (73.4°F). The temperature and humidity range of assured performance is between 15°C and 25°C (59°F/77°F) and 30-50% relative humidity. Conditions outside this range may affect the performance of your test chamber and reduce the lifespan of the equipment.

Standard Features


  • Temperature Range: -73°C to +220°C (-99.4°F to +428°F)
  • Exterior cabinet: cold-rolled steel, heavy-gauge, powder coat finish, color: bone
  • Interior cabinet: stainless steel, type 304
  • Cooling type: LN2 (40 PSI Standard)
  • Forced air circulation
  • Port configuration: left wall access port and plug with 3in (76.2mm) diameter
  • Port configuration: right wall access port and plug with 3in (76.2mm) diameter
  • Fully adjustable shelf, 1 wire-grid shelf, stainless steel
  • Fully opening door, manual door latch




Temperature is manually set with one Watlow EZ-ZONE PM controller (non-programmable)


BD Series Test Chambers can incorporate AESONE CONNECT creating a robust connected device for a standard and uniform interface making test chamber operation easier.

AESONE XCHANGE increases your functionality   AESONE CONNECT allows for secure remote access to your test chamber and gives easy profile creation, operational control, and data management.

  • 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 

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. 100 OHM Platinum RTD  is a highly-accurate sensor made from platinum components for increased sensitivity View sensor options

Safety Features


HIGH/LOW TEMPERATURE CONTROL. An adjustable temperature limit controller allows you to program the highest lowest temperature the device under test, protecting products from compromising temperature exposure.

Optional Features

  • Shelf Modification
  • Custom Porting Sizes
  • Cooling Type: CO2 1,000 PSIG (300 PSI available on request)
  • CO2 scrubber with replaceable cartridge, for 1,000 PSIG only
  • Additional Blank Door
  • Desiccant Air Dryer to ensure conditions as low as 5% RH 
  • Gas Purge compatible with Dry Nitrogen (GN2) & Compressed Dry Air (CDA)
  • Floor Stand w/ Casters