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Ability of a material to absorb energy and plastically deform without fracturing is much required in materials for better toughness used in modern industry. Amount of energy per unit volume that a material can absorb before rupturing is needed to be measured, in other words keeping a balance of strength and ductility, higher the material's resistance to fracture when stressed tougher the material. 

The Charpy impact test, also known as the Charpy V-notch test, is a standardized high strain-rate test which determines the amount of energy absorbed by a material during fracture. This absorbed energy is a measure of a given material's notch toughness and acts as a tool to study temperature-dependent ductile-brittle transition. It is widely applied in industry, since it is easy to prepare and conduct and results can be obtained quickly and cheaply. 

Torontech’s TTIC low-temperature chamber for cooling samples for impact testing is newly researched and developed compressor refrigeration unit according to low temperature device Metallic materials-Charpy notch impact test requirements. This device uses overlapping compressor refrigeration technique and thermal equilibrium principle and cycle stir, to make the specimen.

Constant temperature accuracy


Cooling speed

30 ~ 0ºC, about 2.0℃/min

0 ~ -40ºC, about 1.5℃/min

-40 ~ -60ºC, about 1.2℃/min

-60 ~ -100ºC, about 0.8℃/min


900 *505 *850mm

Effective working space

275 *160 *120mm

Specimen quantity

>60 pcs (size of impact specimen: 10*10* 55mm)

Digital timer

1 ~ 999min., resolution: 1min

Cooling medium                           

Alcohol or other unfrozen liquid

Working power supply

220 ~ 240V, 50HZ, 3.5kW

Working temperature

5ºC ~ 25ºC


Torontech provides a complete solution to ensure your needs of analyzing the quality of material

  • Broaching/Charpy Specimen Preparation Machines
  • Notch Gauges
  • Notch Profile Projector
  • Low Temperature Chambers/Baths
  • Impact Fracture Analyzers
  • Certified Samples for calibration of Impact Tester