Application of Equipment

the CDW-196S Impact Test Low Temperature Chamber is the refrigeration equipment newly developed by our company according to the requirements for low temperature devices in JB-5376-1991 Technical requirements of low temperature constant temperature tank and GB/T 229-2007 Metallic materials-Charpy pendulum impact test method. this equipment adopts liquid nitrogen refrigeration technology, and heat balance principle to achieve automatic cooling uniformly and constant temperature of the test specimens, which can fully meet the various temperature control indicators stipulated in national standard GB/T 229-2007. this equipment is simple and convenient to operate and has high working efficiency, which is the most ideal equipment for metal in low temperature impact test sample cooling and heat preservation. It can also be used for other low-temperature detection and test work.

Applicable Standards

1. JB-5376-1991Technical requirements of low temperature constant temperature tank
2. GB/T 229-2007 Metallic materials-Charpy pendulum impact test method
3. ASTM E23-2018 Metallic materials-notched specimens impact test method
4. DIN EN 10045-1-1991 Charpy impact test on metallic materials; part 1: test method
5. ISO148-1-2016 Metallic materials Charpy pendulum impact test Part 1: Test method

Main Technical Parameters

Technical Parameters
Temperature control range	-20℃~-180℃  limit -196℃
Temperature control accuracy	±2℃
Temperature uniformity	≤2℃
Cooling speed (when room temperature is 25℃)	1℃~3℃/min
Number of specimen can be placed	20 pieces (impact specimen size:101055mm)
Cooling medium	Liquid nitrogen
Outline dimension	955530570mm (length x width x height, not including liquid nitrogen tank)
Power supply	AC220V, 50HZ
Power	200W
Operating environment temperature	5℃~30℃