leybold Ul200氦质谱检漏仪-同Inficon UL200为同一产品,Leybold UL200氦质谱检漏仪采用Leybold Turbovac 35LS分子泵,Inficon UL200氦质谱检漏仪zui高检测到up to 5 x 10-10 mbar l s-1