Applicable standards: ASTM D1092 SH/T0681 
Constant temperature method: external thermostat 
Refrigeration method: high-quality compressor refrigeration 
Temperature control: digital display PID temperature controller 
Pressure display: pressure gauge 
Pressure control: pressure regulating valve 
Temperature control accuracy: ±0.1℃ 
Power supply: AC220V 50HZ 
Total power: 600W