Designed for demanding applications, especially where testing large or heavy products. Powerful airflow ensures good thermal tracking of products under test and the strengthened versions can take several tonnes of load. There are even versions for AGREE styled testing – combined temperature and vibration.

Available in a wide range of temperature and/or humidity ranges as well as internal sizes. Integral or remote cooling plants are available.

Typical applications

  • Thermal stress
  • Temperature / humidity cycling
  • Combined thermal & vibration versions
  • Test houses with varied testing requirements
  • Oil & Gas, Automotive and Aerospace for large loads
  • CAT-C versions available
400 – 5250 ltrs+180°C to -70°C (LN2 versions +250°C to -80°C)up to 10°C/minOptional – Areas A, B & C availableCircular, front to centre rear panel

High Capacity Chambers - Temperature & humidity


  • High performance for demanding tests
  • Slim Profile with front-to-rear airflow
  • Large interiors up to 5250ltrs
  • Robust single-piece construction for heavy loads
  • Powerful cooling plant -optimised to suit the application
  • Suitable for Thermal Stress testing
  • SIMPLEtouch programmer with flexible I/O
  • Wide temperature and/or humidity ranges
  • Extensive range of standard options
  • Modern, attractive styling

Designed for large or heavy loads and are suitable for both Thermal Stress and temperature/humidity cycling applications. Special attention has been given to achieving a high, front-to-rear air-flow. This ensures consistent conditions throughout the chamber volume and therefore more meaningful test results.

The Heating/Cooling Plant is sized to suit each requirement and can vary from 1 to 10°C/min (and higher with LN2boost). Standard chambers are available with two temperature ranges, using single stage (-40ºC) or cascade (-70ºC) cooling plant, and a maximum temperature of +180ºC. Remote or water-cooled plant can be specified to minimise heat and noise in the test area.

SIMPLEtouch touch-screen programmer makes it easy to set-up and monitor the chamber conditions, and is particularly useful for simplifying the programming of complex cycles.

Attractively styled to blend in with modern production and lab equipment and a wide range of sizes are available.

Typical Applications

  • Thermal Stress testing
  • Temperature/Humidity Testing
  • Testing of Materials, Components and Assemblies
  • Electronics, Automotive and Aerospace

Custom chambers and options

We offer cost effective custom chambers and options where standard solutions are unsuitable, via our in-house manufacturing capabilities.

We have many variations and options in our design library that are not shown as standard options.

We have extensive experience of providing complete test systems and will be pleased to discuss specific product interfacing and testing requirements.

Talk to us for Free Application Advice

Humidity control

Designed to accept a wide range of humidity control options to enable a variety of steady state and cyclic damp heat tests to be performed.

Close control of temperature/humidity conditions is achieved by means of an electronic microprocessor controlled dual loop programmer. An electronic capacitive humidity probe is fitted as standard for high reliability and minimum maintenance.

Humidity generation requires a supply of de-ionised water. This may be supplied from a local reservoir or automatically from a mains supply, where available, via an optional de-ioniser unit. Chamber condensate is normally re-circulated to minimise water consumption, but may be drained at programmable intervals if required.

Model Range — Temperature/Humidity

Order Code Internal Size (mm) Volume External Size (mm) Temp Range Ramp Rates* EMPTY Ramp Rates* LOADED Test Load
H W D Litres H W D °C °C/min (Average) °C/min (Average) Kg Watts
TC Tornado 800 600 800 -70 ME 800 600 800 384 1970 900 1910 -70 to +180 Thermal plant sized to suit application
TC Tornado 1000 1000 1000 -70 ME 1000 1000 1000 1000 2050 1600 2350 -70 to +150
TC Tornado 1500 2000 1000 -70 ME 1500 1000 2000 3000 2300 1700 2700 -70 to +180
TC Tornado 1500 1000 3500 -70 ME 1500 1000 3500 5250 2300 2300 4800 -70 to +100
TC Tornado custom User Definable Sizes Available

*measured at the control probe, in accordance with IEC 60068-3

Humidity range options

Replace ‘TC’ prefix in the order code with

the Humidity Range as shown on the graph

Area A Area A+B Area A+C Area A+B+C

Standard Options

Order Code Option Type Description
W300 W600 Window Heated, multi-glazed 300 x 300mm with interior lighting 600 x 600mm with interior lighting
CP50 CP100 Cable Port 50mm diameter 100mm diameter Complete with rubber bung
ECD Extended Cold Dwells >12 hours Avoids frost build-up
E92 Product Protection Electronic 2-channel Customer settable upper and lower temperature limits with independent monitoring
BHS Boost Heating 10°C/min Average 10 to 90% of temperature range (empty)
BCS (Using indirect LN2 ) Boost Cooling 10°C/min Average 10 to 90% of temperature range (empty)
S600 S1000 Removable Shelf 600 x 800 1000 x 1000 Maximum load 10kg Maximum load 20kg
ST600 ST1000 Shelf with Telescopic runners 600 x 800 1000 x 1000 Maximum load 10kg Maximum load 20kg
ER Event Relay Software controllable For control of external equipment
AD(-40) Air Dryer -40°C dew point Requires clean, dry compressed air supply
FLP05T Floating probes 5 x PT100 Logging via SIMPLEtouch programmer
V250 (humidity only) Water de-ioniser Resin type Connect to mains water. Wall mounted.
VC250 (humidity only) Replacement cartridge Resin type Replacement cartridge for V250
DIAG Monitoring + Diagnostics Model dependent Monitors chamber plant and displays status
WCP Water cooled compressors Model dependent Requires suitable cooling water supply
RP Remote cooling plant 10m maximum pipe run Reduces heat and noise from chamber
RC Remote condenser Model dependent Reduces heat from chamber
VSP Variable speed fans Model dependent Electronic control of fan speed/airflow


The inner chamber is fabricated from high grade stainless steel for corrosion resistance and easy cleaning. All internal joints are seam welded to ensure a vapour tight construction. The mild steel outer cabinet is attractively styled and has an easy to clean epoxy paint finish.

Dense mineral wool insulation blankets the entire chamber to ensure energy efficient operation.

Full access to the interior is gained through the hinged front door. This has a double sealing arrangement, pressurised by the door catch, to prevent moisture ingress at low temperatures.

Powerful fan(s) are used to ensure low thermal gradients and uniform testing of products. The fan motors are mounted outside the chamber for maximum reliability.

The refrigeration plant consists of a single stage or cascade system (depending on temperature range), and is generously sized for long term reliability. Anti-vibration mounts and vibration eliminators minimise noise and vibration.

Remote plant and water cooled compressors are available as options.

SIMPLEtouch programmer

All Cyclone chambers come with SIMPLEtouch touch-screen programmer at no extra cost which enables the temperature (and humidity where fitted) to be easily programmed and displayed.

The touch-screen window gives a clear, user-friendly interface with a constantly updated display of the current set and actual values for temperature and humidity*.

SIMPLEtouch uses only commercially available components to ensure low cost lifetime ownership.


SIMPLEtouch features:

  • User friendly interface, Windows XP based
  • QuikSet Temperature and Humidity* entry
  • Clear, easy-to-read 7” display
  • Comprehensive Graphical Display including:
    • Set and actual readings
    • Scaling
    • Cursor
    • Event Indicators
  • Complex programs (Profiles) including:
    • Nested loops
    • Time Remaining display
    • Hold and Start At functionality
  • Logging of results to file
  • Bluetooth, Wireless LAN and USB access

Tornado-V with Vibrator interface - AGREE style Chamber for combined Temperature/vibration testing

  • Vibration interface for vertical shakers
  • 1000 x 1000 x 1000 mm working space
  • +150 to –70⁰C temperature range
  • Cascade or Single-stage compressor cooling
  • 5⁰C/min ramp rate with load
  • SIMPLEtouch touch-screen programmer
  • Wide range of options

Combined Temperature/Vibration Test chambers

Tornado-V AGREE* style test chambers are temperature cycling chambers with a removable floor. This enables a vertical shaker to be installed below the floor, with the armature protruding through the floor, allowing the product to be vibrated during temperature cycling.

The vibrator and floor are sealed during operation to minimise heat losses, but can be removed for maintenance, or replaced by a solid floor for temperature-only testing.

*Advisory Group on Reliability of Electronic Equipment

Tornado-V Customising

Heating and cooling plant can be optimised for a specific test load.

Single-stage (-40⁰C) and cascade (–70⁰C) plant can be sized to give the required temperature ramp rate for a specific thermal load. Remote plant and/or condensers can be used to keep heat and noise away from the test area.

Optional features

  • Alternative temperature ranges and ramp rates available
  • Multi-glazed heated window
  • Internal lighting
  • Product Protection thermostat
  • Cable ports

Torndado Test Chamber datasheet PDF.

Tornado-V Test Chamber datasheet PDF.

For more info please call 01453 828 642 or email

Key Advantages
High Performance even under Load

Tornado chambers are designed for demanding applications with heavy loads and/or high dissipation.

In addition, the thermal plants are sized to perform under loaded conditions.

AGREE versions available

The Tornado-V range is built to allow a Shaker table to be installed below the chamber floor to provide combined temperature and vibration testing.

Interior sizes up to 5250ltrs

Single-frame construction up to interior volumes of 5250ltrs.

Wide Temperature and Humidity Ranges

Temperature ranges of +180°C to either -40°C or -70°C are available and even +250°C with our Evaporator Protection feature. Liquid Nitrogen chambers are available with ranges up to +250°C to -100°C.

Mechanically cooled chambers can be fitted with humidity covering all areas (10% to 98%RH, 10 to 100°C)

ATEX interiors

Safe interior versions available with spark resistant impeller housings, temperature limited heater elements, Zener barriers on probes, etc.

Suitable for Testing most Standards

Suitable for testing most environmental standards such as IEC 60068, etc.

Custom Versions Available

As well as the standard range of Tornado chambers, our inhouse design and manufacturing (based in the UK) means we can produce custom versions, as required.


Touch Screen Programmer
Easy set-up and monitoring of chamber conditions, simplifies programming of complex cycles... read more