具体性能参数如下: 型号 质谱范围 RGA100 1 to 100 amu RGA200 1 to 200 amu RGA300 1 to 300 amu 质朴滤波器类型 Quadrupole 探测器类型 Faraday cup (FC), standard Electron multiplier (EM), optional 分辨率 Better than 0.5 amu @ 10 % peak height. Adjustable to constant peak width throughout the mass range. 灵敏度(A/Torr) 2 × 10?4 (FC), <200 (EM). 探测限 5 × 10?11 Torr (FC), 5 × 10?14 Torr (EM) 测试范围 10?4 Torr to UHV (FC) 10?6 Torr to UHV (EM) 操作温度 70 °C (max.) 烘烤温度 300 °C (without ECU)
离子发生器 结构 Open ion source, cylindrical symmetry, electron impact ionization 材料 SS304 construction 灯丝 Thoriated iridium (dual) with firmware protection. Built-in 1 to 10 W degas ramp-up. Field replaceable. 电子能量 25 to 105 V, programmable 离子能量 8 or 12 V, programmable 焦点电压 0 to 150 V, programmable 电子输出电流 0 to 3.5 mA, programmable
规格 探针尺寸 8.75" from flange face to top of ionizer 探针孔径 2.0" 探针安装法兰 2.75" CF Minimum tube I.D. 1.375" ECU尺寸 3.1" × 4.1" × 9.1" (WHD). Easily separated from the probe for bakeout. LED指示灯 Power ON/OFF, filament ON/OFF,degas ON/OFF, electron multiplierON/OFF, RS- 232 Busy, Error,Overpressure, Burnt Filament 预热时间 Mass stability ±0.1 amu after 30 minutes 电脑接口 RS-232C, 28,800 baud with highlevel command set 软件 Windows based application 电源要求 24 VDC @ 2.5 amps, male DB9 connector, optional built-in power module for AC line operation