... .Long-life, no need for lubricant, accurate control Features of pump de perfusion:1.Large LCD screen, all data synchronized displayed ... %-90%, Atmosphere pressure: 70-106kPaAttitude: ≤2000mTransportation and storage:Temp: -20 +55, Humidity:<=93%,,Atmosphere pressure: 50-106kPa Aeonmed - The Operating Expert ...