BEING BOV Series of Vacuum ovens are available in 3 sizes (24, 53, and 91 liters).  
- Temperature Range:Amb+10? -200? . 
- P.I.D temperature controller provides accurate and reliable temperature control. 
- Vacuum Range: 0~0.1MPa. (limit vacuum 133Pa) 
- Bundled heating provides better temperature uniformity. 
- Inert gas interface for easy access to inert gases such as nitrogen. 
- LED lighting. 
- Inner chamber is made from corrosion-resistant mirror stainless steel. 
- Built-in toughened glass door for clear observation of internal conditions. 
- Independent vacuum interface and vents. 
- Equipped with solenoid valve to control vacuum degree and vacuum pump. 
- USB data collection function. (optional) 
- Temperature deviation alarm. 
- Over current protection alarm. 
- Over heat protection component protects your equipment. Will Cut off the heater automatically if the temperature is runs pass settings safe levels. 
- Independent overtemperature limit controller for added safety. -Shelves Standard/Max: BOV-20: 2/5, BOV-50 :2/7, BOV-90: 3/9 BEING Vacuum Ovens come with a 2 year warranty