ESPEC PRODUCT DIGEST
ENVIRONMENTAL TEST CHAMBERS
ESPEC Offers:
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The Widest Selection of Test Chambers
Regardless of the scale of your testing requirements, ESPEC offers the size
and performance you need, from the world’s smallest humidity chamber to
custom drive-in systems. You can select from over 100 standard models
featured in this catalog, including 18 different benchtop chambers. For larger
or more demanding applications, you can work with us on custom engineered
systems such as Agree, ESS, walk-in, and even integrate other test systems
like shakers.
The world's largest manufacturer of test chambers
Conte nts
Platinous
5
Platinum
6
SU/SH Series
7
Lab Series
9
Criterion
10
Walk-in
11
Integrated Systems
12
TSE-11
13
ETS Thermal Shock
14
Two/Three Zone Thermal Shock
15
Agree
16
Environmental Stress Screening
17
Specialized Products
18
HAST
19
Liquid Thermal Shock
20
Industrial Ovens
21
Special Oven Models
22
Details set ESPEC
chambers apart. One
example is our thermal
break designs for cable
ports and doorframes.
They minimize thermal
creep and the potential
for frost or condensation
on the exterior.
ESPEC NORTH AMERICA has been building test chambers in the United States
for over twenty years. We are part of the ESPEC Group, which is the largest
organization solely dedicated to the manufacture of environmental test
systems, allowing us to concentrate on quality construction and innovative
designs. The ESPEC Group includes manufacturing facilities in Japan and
China, as well as sales and service support around the world. Both our
U.S. and Japanese manufacturing operations are ISO-9001 registered.
Designing chambers for enhanced performance
and reliability
ESPEC’s attention to detail shows in our equipment’s eye-pleasing looks.
But more than just beautiful, our equipment is made to be reliable and easy
to use. Standardized subsystems and manufacturing processes assure high
quality and easy maintenance, even for custom-built equipment.
ESPEC is one of the few
companies that manufactures
Highly Accelerated Stress Test
(HAST) chambers, which can
accelerate typical humidity
tests for ICs by a factor of 50.
• To assure high quality, custom components are designed and
manufactured exclusively for ESPEC; we avoid short cuts that can
compromise performance and reliability.
• Our refrigeration systems are engineered with rigid attention to details
that assure optimum performance and easy maintenance.
• ESPEC’s easy-to-use controller systems integrate hardware and exclusive
software that enhance your chamber’s testing capabilities.
• Long-lasting external finishes of stainless steel or high-performance
coatings protect performance and appearance for years to come.
• We include comprehensive warranties and have top-notch,
factory-trained technicians.
From benchtop chambers
to walk-in systems, ESPEC
offers an extremely wide
range of chamber models
with capabilities to meet
almost any test requirement.
Go ESPEC: 877-463-7732
2
An ESPEC Exclusive:
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SCP-220 Programmer
Brings a High-End User Interface to Everyone…
Without a Premium Price
SCP-220 PROGRAMMER/CONTROLLER
Display Color TFT (Active Matrix),
640x480 resolution (6.5 inch)
Control Method PID (Proportional, Integral, Derivative)
Communications GP-IB, RS-485
(optional) or RS-232
Operating Modes STOP chamber off, programmer on
(as indicated in upper PGM: RUN running selected test profile
left of the display) CONSTANT running at set value continually
Program Capacity • 20 programs, 99 steps per program
• 10 pre-programmed tests stored in ROM
• Linking between programs possible
Programming Capabilities • Copy programs, even from ROM
• Copy, edit, insert, and delete steps
• Two nested loops to repeat steps 99 times
• Selectable end-of-test modes
• Create pause steps within programs
• Soak control delays timer until
setpoint is reached
Additional Functions • Alarm report lists last 100 alarms and
time occurred
• Time signal relay control
• High and low limit alarm functions
• Audible alarm with on-screen explanation
• Selectable restart modes after power failure
• Calendar timer for automatic start and stop
• Keylock protection and configuration lock out
• Service guide and help screens
• Adjustable trend graph display with up to
15 day history
SCP-220TS version for thermal shock models has similar,
but different screens and capabilities than shown here.
Remarkably simple to use and understand
Imagine walking up to your new chamber and immediately being able to get
your test running. It was revolutionary when computers became easy to use—
now ESPEC does the same for environmental testing. The SCP-220 makes it a
breeze to set up, run, and monitor your chamber, even for the infrequent user.
You won't find a controller from any other chamber manufacturer that's as
easy to use.
Our active-matrix LCD display is easy to check at a glance. The touch-screen
prompts are logical and navigation is easy. When data entry is required, a
numeric or alphanumeric keypad is displayed. With 150 help screens
(including maintenance instructions), you may rarely need to refer to
your manual. Alarm screens diagnose the type of problem and provide
troubleshooting help.
The SCP-220 comes preprogrammed with 10 standard tests, but you can add
20 more. For easy recall, you can store each program with a 16 character
name. Even complex programs with pauses and loops are easy to set. The
display automatically draws your test profile as you enter it, reducing the
chance of programming errors.
For improved performance, an optional product temperature control feature
is available that drives air beyond the temperature set point, speeding recovery
of the product temperature. Also optional are computer interfaces with
downloadable software or LabView drivers for remote control and data-logging.
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products equipped with the
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Main monitor
screen displays
current temperature
and humidity
Trend graph screen
could eliminate
the need for a
chart recorder
One brief screen
allows quick set-up
of a constant
condition test
Select one of your
programs, or modify a
preprogrammed one
A clear list is provided for
available controller functions
and settings
Pressing a step number
brings up a screen to
change the values for
that step
The configuration screen
allows easy access to universal
settings such as “recovery
setup” for power failures
4Go ESPEC: 877-463-7732
Platinous
Model Interior Volume Temperature Range* Humidity Range*
ESU-2CA 225 L (8 cu. ft.)
ESU-3CA 408 L (14 cu. ft.)
ESU-4CA 900 L (32 cu. ft.)
ESZ-2CA 225 L (8 cu. ft.)
ESZ-3CA 408 L (14 cu. ft.)
ESZ-4CA 900 L (32 cu. ft.)
ESL-2CA 225 L (8 cu. ft.)
ESL-3CA 408 L (14 cu. ft.)
ESL-4CA 900 L (32 cu. ft.)
ESX-2CA 225 L (8 cu. ft.)
ESX-3CA 408 L (14 cu. ft.)
ESX-4CA 900 L (32 cu. ft.)
PCR-3KP 312 L (11 cu. ft.)
Clean room
* Optional extended ranges available: 180°C, 5% RH
Interior Dimensions
Interior Volume WxDxH
225 L (8 cu. ft.) 50x60x75 cm (19.7x23.6x29.5 in)
408 L (14 cu. ft.) 60x80x85 cm (23.6x31.5x33.5 in)
900 L (32 cu. ft.) 100x90x100 cm (39.4x35.5x39.4 in)
• Catalog available
-35 to 150°C
(-31 to 302°F)
-70 to 150°C
(-94 to 302°F)
-35 to 150°C
(-31 to 302°F)
-70 to 150°C
(-94 to 302°F)
-20 to 100°C
(-4 to 212°F)
none
10 to
98%RH
30 to 90%RH
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ESX-3CA (41"w x 56"d x 80"h exterior)
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Our most popular temperature and humidity chambers
Top quality and reliability
ESPEC Platinous models are a great choice for basic temperature or
temperature/humidity testing, either steady-state or cycling conditions.
5 Go ESPEC: www.espec.com
These units are extremely accurate, very reliable, and have many features
you will appreciate. They are the embodiment of our dedication to
“quality and innovation”.
• Stainless steel exterior construction for long life
• Energy-efficient electronic adjusting refrigeration control
• Custom-molded thermal breaks for thermal integrity
• Standard features: clear-view window, cable port, adjustable shelf, casters
• Special Class 100 clean-room model with HEPA filter
Platinum
Platinous quality with premium performance
and two larger sizes
Change rates to 15°C/m.
Platinum chambers provide greater performance capabilities, while
incorporating the features of our Platinous line. Two larger sizes, 42 and
60 cubic feet, are available for larger test loads, as well. The refrigeration
systems on most of these models utilize modern, high performance scroll
compressors that allow a small footprint and fast temperature changes,
even with significant test loads.
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Temperature- Temperature- Interior Temperature Temperature
Only Humidity volume range* change rate with
Model Model 50 lbs. load
ENZ12-4CAL ENX12-4CAL 4.5°C/min.
ENZ12-4CWL ENX12-4CWL 5°C/min.
ENZ12-6CWL ENX12-6CWL 10°C/min.
370 L
(13 cu. ft.)
ENZ28-4CAL ENX28-4CAL 2.7°C/min.
ENZ28-4CWL ENX28-4CWL 3°C/min.
ENZ28-6CAL ENX28-6CAL 4.3°C/min.
ENZ28-6CWL ENX28-6CWL 5°C/min.
800 L
(28 cu. ft.)
ENZ28-12CWL ENX28-12CWL 10°C/min.
ENZ28-15CW ENX28-15CW 15°C/min.
ENZ42-7.5CWL ENX42-7.5CWL 5°C/min.
ENZ42-15CWL ENX42-15CWL 10°C/min.
ENZ42-15CW ENX42-15CW 15°C/min.
1200 L
(42 cu. ft.)
-70 to 150°C
(-94 to 302°F)
ENZ60-6CAL ENX60-6CAL 2.2°C/min.
ENZ60-6CWL ENX60-6CWL 2.5°C/min.
ENZ60-12CWL ENX60-12CWL 5°C/min.
ENZ60-15CW ENX60-15CW 13°C/min.
1700 L
(60 cu. ft.)
ENZ60-30CW ENX60-30CW 10°C/min.
with 300 lbs. load
ENU12-4CAL ENL12-4CAL 4.5°C/min.
ENU12-4CWL ENL12-4CWL 5°C/min.
ENU12-6CWL ENL12-6CWL 10°C/min.
370 L
(13 cu. ft.)
ENU28-4CAL ENL28-4CAL 2.7°C/min.
ENL28-4CWL ENL28-4CWL 3°C/min.
ENU28-6CAL ENL28-6CAL 4.3°C/min.
ENU28-6CWL ENL28-6CWL 5°C/min.
800 L
(28 cu. ft.)
ENU28-12CWL ENL28-12CWL 10°C/min.
ENU28-15CW ENL28-15CW 15°C/min.
ENU42-7.5CWL ENL42-7.5CWL 5°C/min.
ENU42-15CWL ENL42-15CWL 10°C/min.
ENU42-15CW ENL42-15CW 15°C/min.
1200 L
(42 cu. ft.)
-40 to 150°C
(-40 to 302°F)
ENU60-6CAL ENL60-6CAL 2.2°C/min.
ENU60-6CWL ENL60-6CWL 2.5°C/min.
ENU60-12CWL ENL60-12CWL 5°C/min.
ENU60-15CW ENL60-15CW 13°C/min.
1700 L
(60 cu. ft.)
ENU60-30CW ENL60-30CW 10°C/min.
with 300 lbs. load
Interior Dimensions
Interior Volume WxDxH
370 L (13 cu. ft.) 60x74x85 cm (23.6x29.25x33.5 in)
800 L (28 cu. ft.) 100x80x100 cm (39.4x31.5x39.4 in)
1200 L (42 cu. ft.) 112x91x117 cm (44x36x46 in)
1700 L (60 cu. ft.) 132x112x117 cm (52x44x46 in)
ENX42-7.5CWL (5.5'w x 6'd x 8.5'h exterior)
6Go ESPEC: 877-463-7732
SH Series
Our smallest temperature and
humidity chambers provide the
performance of larger chambers
The SU and SH series benchtop temperature and
humidity chambers are extremely compact, run on
standard power, and feature an easy-to-fill water
tank. They make it possible for smaller companies
and laboratories to perform environmental testing
without compromises.
The five SH chambers are capable of temperature
and humidity testing, while the corresponding
SU models perform temperature-only testing.
The units come in two interior volumes and three
different temperature ranges, allowing you to
select the model that best suits your applications.
The SH humidity chambers feature a water tank
that is removable for easy filling, so no plumbing
connection is required. The units can operate for
over a week with a single filling of water, and
refilling can be done while a test is still in process.
7 Go ESPEC: www.espec.com
SH-241 (17.5"w x 25"d x 28"h)
A programmable controller allows cycling between
different conditions or continuous operation at a
single setting. An RS-485 communications port is
standard for remote operation and data logging,
but optional RS-232C and GP-IB ports are also
available, with software.
SH and SU series chambers are extremely energy
efficient, reducing energy consumption up to 55%
compared to older models. Operation is quiet,
allowing installation in quiet labs or offices.
• One inch diameter cable port on the right
and left sides
• One adjustable stainless steel shelf included
• Optional viewing window or inner glass door
• Optional cart with casters for easy access
and portability
Model Temperature Range Humidity Range Interior Volume Interior Dimensions
(WxDxH)
SU-221 -20 to 150°C
SU-241 -40 to 150°C
SU-261 -60 to 150°C
SU-641 -40 to 150°C
SU-661 -60 to 150°C
SH-221 -20 to 150°C
SH-241 -40 to 150°C
SH-261 -60 to 150°C
SH-641 -40 to 150°C
SH-661 -60 to 150°C
(-4 to 302°F)
(-40 to 302°F)
(-76 to 302°F)
(-40 to 302°F)
(-76 to 302°F)
(-4 to 302°F)
(-40 to 302°F)
(-76 to 302°F)
(-40 to 302°F)
(-76 to 302°F)
none
30 to 95%
22.5 L
(0.79 cu. ft.)
64 L
(2.2 cu. ft.)
22.5 L
(0.79 cu. ft.)
64 L
(2.2 cu. ft.)
30x25x30 cm
(11.8x9.8x11.8 in)
40x40x40 cm
(15.7x15.7x15.7 in)
30x25x30 cm
(11.8x9.8x11.8 in)
40x40x40 cm
(15.7x15.7x15.7 in)
• Catalog available
SU model
Standard removable water tank
for humidity models
8Go ESPEC: 877-463-7732
Lab Series
A terrific choice for small temperature and
humidity applications
Ergonomics are much like a small refrigerator
The ESPEC Lab Series is a compact, reliable test
chamber suitable for a wide variety of applications.
Pharmaceutical, automotive, materials, and electronic
industries have all found these models to be useful
for temperature/humidity testing.
This model series runs directly off of 115V power,
meaning no special power hook-ups. Humidity
models feature a built-in water tank to eliminate the
need for plumbing, as well.
To ensure a controlled environment, these models
are available with an inner glass door, allowing door
openings without disrupting the conditions. A one
inch diameter cable port in the left side allows wires
and cables to be run to your samples.
Interior Dimensions
Model Interior Volume WxDxH Temperature Range Humidity Range
LU-113
LH-113
LHL-113
LHU-113
• Catalog available
105 L
(3.7 cu. ft.)
50 x 39 x 60 cm
(19.7x15.4x23.6 in)
-20 to 85°C
(-4 to 185°F)
45 to 85°C
(110 to 185°F)
5 to 85°C
(41 to 185°F)
-20 to 85°C
(-4 to 185°F)
none
45 to 95%RH
40 to 95%RH
The controller is programmable with up to nine
steps to allow controlled ramps of temperature and
humidity. Repetition of the program can be done up
to 999 times. The controller can also be easily set at a
single setting for constant operation.
9 Go ESPEC: www.espec.com
LHU-113 (26"w x 32"d x 43"h exterior)
Criterion
Interior Dimensions
Model Interior Volume WxDxH Temperature Range
ECT-3 34 L (1.2 cu. ft.) 40x28x30 cm -68 to 180°C
(16x11x12 in) (-90 to 356°F)
ECT-3 (37"w x 21"d x 25"h exterior)
A wide range and small size for flexibility
-68 to 180°C standard range
The ESPEC Criterion benchtop chamber provides a simple and economical solution for
a variety of temperature testing requirements. The 1.2 cu. ft. interior size is popular for
component level tests. The system runs directly off of 115V power, meaning no special
power hook-ups.
A four inch diameter cable port in the left side allows wires and cables to be run to your
samples, if needed. A viewing window and light are available as options.
The programmer allows up to 256 cycling steps to be entered, including controlled
ramps with guaranteed soak. A computer interface is included for remote operation.
A temperature deviation display with alarm is just one part of a three-tier overheat
protection system—a thermal fuse and a user-set independent temperature limit are
also included.
10Go ESPEC: 877-463-7732
Walk-in
Model Temperature Range Humidity Range
(modular construction) -65 to 85°C (-85 to 185°F)
EWP -35 to 85°C (-31 to 185°F) or
EWS -35 to 177°C (-31 to 350°F) or
(solid construction) -65 to 177°C (-85 to 350°F)
Standard size chart for EWP models
Width
Depth 2.1m (7') 2.7m (9') 3.3m (11') 4m (13')
1.5m (5') 286 364 442 520
1.8m (6') 339 432 525 618
2.1m (7') 393 501 608 716
2.4m (8') 447 569 691 813
2.7m (9') 501 637 774 911
3m (10') 554 706 858 1009
3.3m (11') 608 774 941 1107
3.7m (12') 662 843 1024 1205
4m (13') 716 911 1107 1303
4.3m (14') 769 980 1190 1401
4.6m (15') 823 1048 1273 1498
4.9m (16') 877 1117 1356 1596
Volume in cubic feet*
*Dimensions listed are ±7cm (±3”)
Interior volume calculated using standard 2.4m (7’10”) interior height
This chart is just a representative sample of sizes possible
• Catalog available
None or
20 to 95%RH or
10 to 95%RH
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Comprehensive standard features and flexible design
Built to your specifications
Walk-in chambers have a wide range of applications including environmental
testing, stress screening, meteorological simulation, aging, and burn-in, making them
indispensable in almost every field of research or development where large quantities
or large samples must be tested.
Modular panel construction (EWP) is cost-effective and allows easy installation in
areas with limited access. A wide range of standard sizes is available, as well as
special sizes or configurations as you may require. Customized systems are available
with low humidity, multiple rooms, air distribution systems, and more.
Solid construction units (EWS) can be built to your exact requirements. They are
desirable for their extra-wide temperature ranges and capability to withstand fast
temperature changes.
11 Go ESPEC: www.espec.com
Integrated Systems
Testing more than temperature and humidity
For twenty years ESPEC has been providing custom-designed test
chambers for companies worldwide. This experience, combined with
our standardized sub-assemblies, provides quick, reasonably priced,
and high quality custom equipment.
In addition to temperature and humidity control, custom chambers
often need to be integrated with other equipment to provide real-
world simulation, especially for automotive applications.
For example, ESPEC designed a unique insulated floor system that
allows a road vibration simulator to integrate with a drive-in
chamber. This floor moves to allow the simulator to adjust for
vehicles with different wheelbases, from sub-compact cars
to extended-cab pick-ups.
In another case, ESPEC created a drive-in chamber out
of special fiberglass for corrosion testing with road salt.
The system included undercarriage salt spray capability
and an easy-maintenance brine tank made by ESPEC.
Chamber Integration with:
• Single and multi-axis vibration systems
• Road vibration simulators
• Salt or rain spray
• Dynamometers
• Emissions test stands
• Test-buck fixtures
• Light simulation (infrared, UV, sunlight)
• Video recording (for airbag testing)
• Measurement and data acquisition systems
12Go ESPEC: 877-463-7732
TSE-11 Thermal Shock
Simple to install and operate
Get a thermal shock chamber without the hassles. Our TSE-11-A is compact and
easy to operate, while still meeting industry test standards. Only 26 inches
wide, the TSE-11 transfers product loads between cold and hot zones with a
temperature range of -65°C to 200°C.
• Meets strict Mil-Std 883 thermal cycling requirement for
product-temperature recovery.
• Touch-screen operation is very easy, yet full-featured.
• Diagnostic alarms with on-screen help make troubleshooting quick and easy.
• The cold zone is cooled by refrigeration. No need for tanks of
liquid nitrogen (or cooling water either).
Performance Example
Model Range Range Recovery Time Test Load
Temperature Temperature Temperature
Hot zone:
60 to 200°C
(140 to 392°F)
TSE-11-A
Cold zone:
-65 to 0°C
(-85 to 32°F)
• Catalog available
Interior Interior Dimensions
Volume WxDxH
11 L 32x23x15 cm
(.4 cu. ft.) (12.5x9.1x5.8 in)
13 Go ESPEC: www.espec.com
-65°C to 150°C
Mil-Std 883E
method 1010.7
Method C
5 minute supply air
or
15 minute worst case
product, per 1010.7
4 kg (8 lb.)
plastic ICs
TSE-11 (26"w x 42"d x 64"h exterior)
ETS Thermal Shock
Transfer from hot to cold to thermally stress samples
The ETS thermal shock chamber is a high quality design with an advanced
touch-screen controller and an innovative hot/cold transfer system. It is designed
to meet strict Mil-Std test specifications, which require temperature recovery to
be measured inside the worst-case product sample.
The touch-screen controller is user-friendly and designed especially for
thermal shock. For Mil-Std 883 testing, the controller actually speeds up test
time by detecting when the product has achieved temperature and can go to
the next step.
ESPEC’s exclusive electric screw-drive lift automatically moves the samples
between hot and cold zones. This direct drive method eliminates the problems
associated with cables, pneumatic cylinders, or other complicated mechanisms.
ETS4-3CW (5.5'w x 8'd x 7'h exterior)
Performance example
Model Range Temperature Range Recovery Time IC Chips Interior Volume WxDxH
ETS4-1CW
ETS4-2CW 9 kg (20 lb.)
ETS4-3CW 18 kg (40 lb.)
ETS13-3CW 9 kg (20 lb.) 365 L 71x83x61 cm
ETS13-5CW 18 kg (40 lb.) (13 cu. ft.) (28x33x24 in)
• Liquid nitrogen cooled systems available, too
• Additional resources (including links to test standards) online at www.espec.com/shock
Hot zone:
60 to 200°C
(140 to 392°F)
Cold zone:
-75 to 0°C
(-103 to 32°F)
-55 to 125°C
Mil-Std 883 1010.7 B
-65 to 150°C
Mil-Std 883 1010.7 C
Temperature Test Load Interior Dimensions
15 min. worst-case
product recovery
13 kg (30 lb.)
105 L
(4 cu. ft.)
50x50x40 cm
(20x20x16 in)
14Go ESPEC: 877-463-7732
Two/Three Zone
Thermal Shock
Hot/cold or hot/ambient/cold
tests possible
Small footprint and large workspace
Traditional three zone thermal shock chambers can
be quite large, as three separate chambers are used.
The TSA series has just one chamber, circulating
cold, hot, or ambient air, as needed.
The conditioned air can be pre-cooled or pre-heated
beyond the setpoint, allowing quicker recovery of
the desired condition after transfer.
• Test samples don’t move.
• Horizontal airflow design assures uniform results
• Extremely compact systems with a vertical
sliding door for added space savings
• The touch-screen controller is specifically
designed for thermal shock testing
15 Go ESPEC: www.espec.com
TSA-71H-W
TSA-71S-A
TSA-71S-W
TSA-101S-W
TSA-201S-W
TSA-41L-A
TSA-71L-A
TSA-101L-A
TSA-301L-W
• Catalog available
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TSA-71S-W (4.3'w x 4.5'd x 6.3'h exterior)
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Performance example
Temperature Test Load
Model Range Temperature Range Recovery Time IC Chips Interior Volume
Hot exposure:
60 to 200°C
(140 to 392°F)
Ambient
exposure
Cold exposure
-75 to 0°C
(-103 to 32°F)
Hot exposure:
60 to 200°C
(140 to 392°F)
Ambient
exposure
Cold exposure:
-65 to 0°C
(-85 to 32°F)
Two zone
-65 to 150°C
Mil-Std 883 1010.7 C
Three zone
-65 to ambient
to 150°C
Three zone
-55 to ambient
to 150°C
15 min. worst-case
product recovery
5 min.
upstream air
10 min. upstream air
5 min. upstream air
10 min. upstream air
10 kg (22 lb.)
5 kg (11 lb.)
20 kg (44 lb.)
2.5 kg (5.5 lb.)
20 kg (44 lb.)
24 kg (53 lb.)
70 L
(2.5 cu. ft.)
70 L
(2.5 cu. ft.)
110 L
(3.9 cu. ft.)
200 L
(7.1 cu. ft.)
40 L
(1.4 cu. ft.)
70 L
(2.5 cu. ft.)
110 L
(3.9 cu. ft.)
300 L
(10.6 cu. ft.)
Agree
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Systems for fast change rates and vibration integration
Change rates to 40°C/m.
For years Agree chambers have been the workhorses of the
environmental test chamber industry. Originally created to meet
military test standards, their flexible design has made them suitable for a
wide variety of applications. Fast temperature changes of 5 to 40°C/m.
are possible, even with significant loads. The chambers have a
removable floor, allowing integration with vibration test systems.
Custom designs are common, allowing configuration to meet your
exact requirements.
For shaker systems that can operate in horizontal and vertical modes,
ESPEC's innovative Combo-Agree chamber solves the problem of two
different operating heights. A special floor for the horizontal mode
drops down to the proper height instead of more complicated lift
systems that move the entire chamber up and down.
Combo-Agree with removable floor on cart
Performance example
Temperature Humidity Temperature Temperature
Range Range Range Change Rate
-73 to 177°C Optional -54 to 71°C5°C/min.
(-100 to 350°F) 20 to 95%RH 10°C/min.
15°C/min. to
40°C/min.
†
Consult with factory for the best system to meet your change rate requirements
†
Model Size Interior Volume WxDxH
Interior Dimensions
ET15 425 L (15 cu. ft.) 76x76x76 cm
(30x30x30 in)
ET34 950 L (34 cu. ft.) 99x99x99 cm
(39x39x39 in)
ET46 1300 L (46 cu. ft.) 109x109x109 cm
(43x43x43 in)
ET64 1800 L (64 cu. ft.) 121x121x121 cm
(48x48x48 in)
ET84 2300 L (84 cu. ft.) 140x140x121 cm
(55x55x48 in)
ET114 3200 L (114 cu. ft.) 162x162x121 cm
(64x64x48 in)
ET46-2CW (6.6'w x 10.6'd x 7.8'h exterior)
16Go ESPEC: 877-463-7732
Environmental Stress Screening
Fast temperature changes find latent defects in electronics
Dense loading using standardized fixtures
Environmental Stress Screening (ESS) validates product quality by subjecting products to the
stress of repeated rapid thermal changes. Typical screening profiles include thermal cycling
of 5 to 20°C per minute over a 100°C span (e.g. 85 to -20°C). ESS chambers allow for dense
loading of products such as PC boards and provide excellent stress on each unit.
Our ESS85 models have set the industry standard for performance, throughput, and flexibility.
This cart-based system allows faster loading/unloading and inexpensive changeover to new
products. The high-volume, horizontal airflow provides maximum product change rates.
These models are commonly found at major electronic contract manufacturers.
ESPEC offers smaller systems for applications such as pre-qualification, troubleshooting,
and small-scale ESS programs. These models accommodate the same fixturing trays from
our standard ESS systems.
• Less products per pass of air, for better product uniformity
ESS85 (9'w x 5'd x 8.5'h exterior plus refrigeration)
Model Interior Volume WxDxH Typical Loading
ESS5 140 L (5 cu. ft.) 56x68x38 cm (22x27x15 in) 10 kg (25 lb.)
ESS11 310 L (11 cu. ft.) 56x68x76 cm (22x27x30 in) 40 kg (90 lb.)
ESS22 620 L (22 cu. ft.) 61x81x122 cm (24x32x48 in) 90 kg (200 lb.)
ESS35 990 L (35 cu. ft.) 61x132x122 cm (24x52x48 in) 180 kg (400 lb.)
ESS85 2400 L (85 cu. ft.) 122x127x152 cm (48x50x60 in) 220 kg (500 lb.)
Typical change rates of 5 to 20°C/min. depend on the cooling and heating sub-systems selected,
as well as the specific product and fixturing. Contact ESPEC to discuss options for your load
and desired performance.
• Catalog available
17 Go ESPEC: www.espec.com
• Programmable control for product-change or
air-change available
• Automatic coupling of product power speeds loading
• Liquid nitrogen cooling is available for even
faster change rates
• Custom systems to meet exact needs are also possible
Interior Dimensions
Custom model for ESS
of telecom rack systems
Specialized Products
Dust chamber
Dust
ESPEC dust chambers provide a ready-made solution
to common dust tests for automotive and electronic-
cabinet requirements.
Altitude
ESPEC can provide custom-built chambers for simultaneous
testing of temperature and altitude conditions. Two common
applications are:
Environmentally Conditioned Air
Some test applications defy conventional test chamber configurations. For these
situations, ESPEC provides an Environmentally Conditioned Air (ECA) unit that can
provide pre-conditioned air to a customized enclosure via flexible ducting.
Rain/Spray
Automotive applications sometimes require testing to ensure operability under
rain or power-spray conditions. Our rain/spray chambers can do these tests,
including control of the air or water temperatures, if required.
Dew Cycle
By quickly transferring a test sample from a cold environment to a hot, humid
condition, dew (condensation) can be formed on the sample. As the dew
evaporates, potentially harmful ions are left behind that can quickly damage the
sample. This chamber can also be used as a standard thermal shock test chamber.
• Testing of avionics or other aerospace equipment to
simulate actual conditions it might experience.
• Simulation of high-altitude conditions found in
mountainous regions.
Rain/Spray
Dew Cycle
18Go ESPEC: 877-463-7732
HAST
Highly Accelerated Stress Test chambers
reduce humidity test times
Reduce test time by a factor of 50!
One of the most common tests for IC chips, 85°C/85%, has become
less useful in recent years due to increased packaging quality.
Today, reliability tests can run thousands of hours in order to get
useful results.
The Highly Accelerated Stress Test (HAST) was devised to decrease the
test time needed to get useful results. This test uses high temperature
(over 100°C) with high humidity and high pressure conditions. It has
also become known as the Autoclave or Pressure Cooker test. By using
extreme conditions, old test requirements can be accelerated by a
factor of 50 or more.
Each system includes specimen power terminals that allow easy wiring
to test samples despite the pressurized chamber design. Ten programs
can be stored in memory, allowing full control of the test profile,
especially the critical cool-down phase.
These systems are capable of two different operation modes: saturated
humidity and unsaturated humidity. With our M-instrumentation
option, you can control humidity via a wet-bulb sensor, eliminating the
risk of condensation on samples over the entire test, in full compliance
with published industry standards.
Systems with two bays allow twice as much testing with the
same footprint.
Nominal Interior Temperature, Humidity,
Model Interior Volume WxDxH and Pressure Range
EHS-211 18 L 25x32x25 cm
(0.64 cu. ft.) (10x12.5x10 in)
EHS-211D 18 L each 25x32x25 cm each
Two bays (0.64 cu. ft.) (10x12.5x10 in)
EHS-221 46 L 35x43x35 cm
(1.62 cu. ft.) (14x16.8x14 in)
EHS-221D 46 L each 35x43x35 cm each
Two bays (1.62 cu. ft.) (14x16.8x14 in)
EHS-411 18 L 25x32x25 cm
(0.64 cu. ft.) (10x12.5x10 in)
EHS-411D 18 L each 25x32x25 cm each
Two bays (0.64 cu. ft.) (10x12.5x10 in)
TPC-432ZM 130 L 55x55 cm (22x22 in)
(4.6 cu. ft.) diameter x depth
Temperature:
105 to 162°C
(221 to 324°F)
Humidity:
75 to 100%RH
Pressure:
0.2 to 2.0 kg/cm2G
(0.19 to 1.94 atm)
Temperature:
105 to 143°C
(221 to 289°F)
Humidity:
75 to 100%RH
Pressure:
0.2 to 4.0 kg/cm2G
(0.19 to 3.87 atm)
• See our website for articles and links on HAST testing
• Catalog available
Go ESPEC: www.espec.com19
Liquid Thermal Shock
Liquid immersion—the ultimate in thermal shock testing
Robotic transfer from hot to cold
Our liquid-to-liquid chambers are excellent for imposing extreme thermal
stresses on specimens. An air-tight workspace and multiple recovery systems
limit the loss of expensive test fluids, making liquid thermal shock a much
more economical choice than in the past. The controller makes operating the
system simple, and the robotic transfer mechanism is durable and reliable.
E
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H
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TSB-5 (4.5'w x 4.3'd x 5.8'h exterior)
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Performance Example
Test Load Interior Dimensions
Model Range Temperature Range IC Chips Interior Volume WxDxH
TSB-2 0.75 kg (1.6 lb.) 2 L 12x12x15 cm
TSB-5 1.5 kg (3.3 lb.) 5 L 15x20x15 cm
TSB-20 7.2 kg (16 lb.) 20 L 27x28x29 cm
• Catalog available
Hot bath:
70 to 200°C
(158 to 392°F)
Cold bath:
-65 to 0°C
(-85 to 32°F)
-65 to 85°C
Mil-Std 883
method 1011.9
(0.07 cu. ft.) (4.7x4.7x5.9 in)
(0.18 cu. ft.) (5.9x7.9x5.9 in)
(0.7 cu. ft.) (10.6x11x11.4 in)
Go ESPEC: 877-463-7732
20
Industrial Ovens
Model Interior Volume Temperature Range
PH-101 91 L (3.2 cu. ft.)
PH-201 216 L (7.6 cu. ft.)
PH-301 512 L (18.1 cu. ft.)
PH-401 1000 L (35.3 cu. ft.)
PV-211 216 L (7.6 cu. ft.)
PV-221 324 L (11.4 cu. ft.)
PV-231 432 L (15.3 cu. ft.)
PV-331 768 L (27.1 cu. ft.)
STPH-101 91 L (3.2 cu. ft.) 45 to 500°C
STPH-201 216 L (7.6 cu. ft.) (110 to 932°F)
SSPH-101 91 L (3.2 cu. ft.) 45 to 700°C
SSPH-201 216 L (7.6 cu. ft.) (110 to 1292°F)
• Catalog available
45 to 200°C
(110 to 392°F)
Optional extended range
to 300°C (572°F)
Interior Interior Dimensions
Volume WxDxH
91 L 45x45x45 cm
(3.2 cu. ft.) (17.7x17.7x17.7 in)
216 L 60x60x60 cm
(7.6 cu. ft.) (23.6x23.6x23.6 in)
512 L 80x80x80 cm
(18.1 cu. ft.) (31.5x31.5x31.5 in)
1000 L 100x100x100 cm
(35.3 cu. ft.) (39.4x39.4x39.4 in)
324 L 60x60x90 cm
(11.4 cu. ft.) (23.6x23.6x35.4 in)
432 L 60x60x120 cm
(15.3 cu. ft.) (23.6x23.6x47.2 in)
768 L 80x80x120 cm
(27.1 cu. ft.) (31.5x31.5x47.2 in)
21 Go ESPEC: www.espec.com
A wide variety of accurate, high quality ovens
Vertical and horizontal configurations
ESPEC’s precision industrial ovens are used for high-temperature testing, as well as heat
treatment and drying during manufacturing. Over 60,000 units have been sold worldwide.
There are two types of models: the space-saving PV vertical oven and the PH horizontal oven. Both
provide horizontal airflow for even exposure to all samples. Control constancy as low as ±0.1°C and
uniformity as low as 0.5°C ensure accurate operation. An exhaust damper is included to ventilate the
oven and allow quick cool-down.
The standard controller offers two-step programming for simple heat-up or shut-down steps.
An inexpensive upgrade provides programmed operation of up to 18 steps for full cycling applications.
The large display is easy to use and read. Four levels of overheat protection are included for safety.
A wide variety of options are also available.
Special Oven Models
These ovens meet specialized applications
The quality and performance of our standard ovens are
found in these specialized ovens.
IPH-Anaerobic oven
For anaerobic heat treatment or temperature testing, these
ovens can be filled with a non-oxidizing gas, such as CO
The hermetically sealed chamber prevents ingress of the
external atmosphere, assuring very low oxygen levels.
GPH-Rotating specimen rack
These models incorporate a rotating specimen rack and are
especially designed for accelerated heat deterioration testing of
rubbers and plastics. By removing the rack, this unit may also be
operated as a normal oven. A viewing window is included standard.
SPH-Oven with explosion vent
These models are equipped with an explosion vent and a safety
door for security in case an explosion occurs. They are suitable
for flammable synthetic resins and volatile solvents. Low
surface-temperature heaters help prevent ignition. If an
explosion occurs, a blow-out panel allows the gases to escape,
and the safety door is locked to keep from bursting open.
or N2.
2
Model Interior Volume Temperature Range
SPH-101 91 L (3.2 cu. ft.)
SPH-201 216 L (7.6 cu. ft.)
SPH-301 512 L (18.1 cu. ft.)
SPH-401 1000 L (35.3 cu. ft.)
GPH-101 91 L (3.2 cu. ft.)
GPH-201 216 L (7.6 cu. ft.)
IPH-201 216 L (7.6 cu. ft.)
Model Interior Volume Temperature Range
PVC-211 161 L (5.7 cu. ft.)
PVC-231 368 L (13 cu. ft.)
PVC-331 648 L (22.9 cu. ft.)
Optional extended range to
Optional extended range to
45 to 200°C
(110 to 392°F)
300°C (572°F)
85 to 200°C
(185 to 392°F)
350°C (662°F)
PVC-Class 100 clean ovens
Equipped with a hermetically sealed chamber and HEPA filter,
these clean ovens maintain a class-100 clean atmosphere. They
are ideal for baking, heat treatment, or drying of samples that
require an extremely clean environment.
GPH-201
PVC-331
22Go ESPEC: 877-463-7732
The ESPEC Group
ESPEC CORP. (Japan) www.espec.co.jp
ESPEC NORTH AMERICA, INC. (USA)
SHANGHAI ESPEC ENVIRONMENTAL EQUIPMENT CORP. (China)
GUANGZHOU ESPEC ENVIRONMENTAL EQUIPMENT CO., Ltd. (China)
ESPEC (Malaysia) SDN. BHD.
C&E ENVIRONMENTAL TECHNOLOGY CO., LTD. (China)
ESPEC Group sales agents and service
support in the following countries:
Australia
Austria
Belgium
Brazil
Czech Republic
Finland
Germany
Hong Kong
Hungary
Indonesia
Ireland
ES-7564-02-03
Luxembourg
Netherlands
Philippines
Singapore
South Korea
Spain
Switzerland
Ta iw an
Thailand
United Kingdom
877-GO-ESPEC
(877-463-7732)
www.espec.com
ESPEC Certified Service Offices
ESPEC Sales Offices
ESPEC NORTH AMERICA, INC.
TEL 616-878-0270 • 877-463-7732
FAX 616-878-0280
www.espec.com • sales@espec.com
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