Usages and characteristics:
1.CDW-type low-temperature impact testing meter is the compressor refrigeration of the latest research and development in accordance with cooling requirement of GB/T 229-2007 "Metal Charpy Gap Impact Test Method".
2.this equipment used cascade compressor refrigeration technology, the use of the principle of heat balance and mixing method of circulation to achieve uniformity of the sample auto-cooling and temperature, to fully meet the temperature indicators of national standard GB/T229-2007, EN10045-2, E23-02A of the provisions.
3.the equipment is simple, convenient and efficient for working, which is the ideal equipment of specimen cooling and insulation for low-temperature impact testing. At the same time, it can also be used for other low-temperature detection and testing.
Main technical parameters

Specifications CDW-40 CDW-60 CDW-80 CDW-80T CDW-100(110)T CDW-196
Temperature range: Room temperature ~-40°C   Room temperature ~-60°C   Room temperature ~-80°C
                            Room temperature ~-100(110)°C   Room temperature ~-196°C
Temperature control accuracy ±0.5°C ±2°C
Cold room volume 275*160*120mm
Dimensions(mm) 910*510*920 710*600*740 1300*800*1000 710*600*740
Box material Iron Spray Stainless steel Iron Spray Stainless steel
Specimen quantity No less than 60
Mode of refrigeration Compressor refrigeration Liquid nitrogen  refrigeration
Cooling medium Ethanol or other unfrozen liquid Liquid nitrogen
Power 1.8kW 2.3kW 2.5kW 3kW 100W
Remarks: the cold room volume can be specially manufactured according to the customers requirement.