Two-zone thermal shock chamber| Battery thermal shock chamber

Two-zone Thermal Shock Chamber
Thermal Shock
Test Chamber

Thermal Shock Test Chambers

Thermal Shock Test Chambers

Application field
Thermal shock test chamber subjects a product to alternating extremes of high and low temperatures in order to observe changes in the product’s characteristics and failure occurrences caused by different materials and thermal expansion.

Two-zone Thermal Shock Chambers have a product carrier basket that automatically transports a product under test between separately controlled temperature zones. With built-in viewing windows, users can easily observe the product as it’s transferred between different temperature zones. 

Test specifications
Thermal Shock Chambers meets the requirements of standardised temperature stress tests such as IEC 60068-2-14, the Japanese standards JASO D-014-4 and EIAJ ED-2531B Na and various degrees of severity of MIL-STD-883H and 202G.

Structural Features

Structural Features

  • The inner chamber  material is made of SUS#304 stainless steel with 1.2mm thickness. Full welding structure, its sealing is very well and it’s not easy to crack.
  • The external material is made of cold-rolled plate with 1.5mm thickness, it has gone through brushing, polishing, painting treatment, so not easy to scratch.
  • The insulation material is made of polyurethane foam, and the insulation thickness is 100mm.
  • The door seal adopts double silicon rubber sealing material; sealing effect is very good.
  • The observation window is 4 layers of tempered glass, the size you can chose by yourself.
  • In addition, in order to prevent glass frosting when running low temperature, we setup a heating wire with safety voltage 24V.
  • both side of chamber are equipped with a test cable port with diameter 100mm, the plug material is silicone rubber, high low temperature resistance, and also could preserve heat.
  • The lock is developed and designed by Sanwood, which adopts lever principle. Pushed slowly, locked tightly.
Two-zone Thermal Shock Chamber
Refrigeration System

Refrigeration System

  • Compressors equipped with world famous brand such as Tecumseh (France made), Bitzer or GEA BOCK (Germany made).
  • Shock absorption and noise reduction process,slow down the vibration, protect the compressor.The new pipe bending technology: The bending process can minimize the connector point and make refrigerant flow more efficiently.
  • It applies Denmark DANFOSS and Japanese SAGLNOMIYA solenoid valves to improve the overall reliability of the equipment.
  • MP10 module has motor over-heating protection (with LED indicator), exhaust temperature over-heating protection (requires optional temperature monitoring probe and LED indicator), power indicator, alarm function.
Electrical System

Electrical System

  • The overall layout of the circuit cabinet looks very neat and professional. Our circuits are arranged in accordance with UK standards and are equipped with complete circuit diagrams. Each line has a unique code which is clearly defined and easy to locate for troubleshooting.
  • We use electrical components of world famous brands, such as Schneider from France,Carlo Gavazzi from Switzerland,Mitsubishi from Japan,Rainbow from Korea.



Model SM-50-2P-A SM-80-2P-A SM-150-2P-A SM-200-2P-A SM-300-2P-A SM-500-2P-A
Temperature Temperature impact range -55℃~150℃       (A:-40℃~150℃;B:-55℃~150℃;)
Temperature fluctuation ±1.0
Low temperature
precooling time 
25.0℃~-55.0  Within 60 mins
High temperature
preheating time 
25.0℃~150.0  Within 45 mins 3.07.0/min
Temperature conversion time  3s
Temperature recovery time  Within 5 mins Within 10 mins
Material /
Internal material Stainless steel(SUS304)
External material Cold rolled steel sheet / powder spraying
 Heat insulating material 100mm thickness polyurethane plate10mm thickness mineral wool
Fan Centrifugal blower
Compressor fully closed or semi-closed  semi-closed 
Condenser Air cooling, water cooling
Refrigerant R404AR23R508
Evaporator Fin - and - Tube Heat Exchanger 
Heater Nickel chromium alloy heating wire 
Size  Interior size(mm)
350*400*350 400*500*400 500*600*500 650*460*670 960*460*670 960*650*800
Outer size(mm)
1100*1930*1460 1150*2130*1550 1250*2530*1650 1400*2250*1850 1750*2250*1850 1750*2630*1980
VolumeL) 50L 80L 150L 200L 300L 500L
Operating ambient temperature +5 ~ 35
Power supply 380V AC  50/60Hz 
Controller SANWOOD SH5600:Equipped with RS232 RS485 port;(7.0 inch controller) USB data export 

Product Catalog:

Two-zone thermal shock chamber
Two-zone thermal shock chamber | Battery thermal shock test chamber| SANWOOD Environmental Chambers

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