该设备采用进口压缩机串级式制冷技术,采用热平衡原理和循环搅拌方法,实现对试样的自动均匀冷却,恒温,完全满足国家标准GB/T 229-2007、美国标准和欧洲标准中规定的温度控制指标。The Impact Testing Low Temperature Meter is the compressor refrigeration equipment of our company latest research and development in accordance with low temperature device requirements of JB-5376-91 "Low Temperature Thermostat Technical Conditions" and GB/T 229-2007 "Metal Charpy Notched Impact Test Method".