具體性能參數(shù)如下: 型號(hào) 質(zhì)譜范圍 RGA100 1 to 100 amu RGA200 1 to 200 amu RGA300 1 to 300 amu 質(zhì)樸濾波器類型 Quadrupole 探測(cè)器類型 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. 靈敏度(A/Torr) 2 × 10?4 (FC), <200 (EM). 探測(cè)限 5 × 10?11 Torr (FC), 5 × 10?14 Torr (EM) 測(cè)試范圍 10?4 Torr to UHV (FC) 10?6 Torr to UHV (EM) 操作溫度 70 °C (max.) 烘烤溫度 300 °C (without ECU)
離子發(fā)生器 結(jié)構(gòu) Open ion source, cylindrical symmetry, electron impact ionization 材料 SS304 construction 燈絲 Thoriated iridium (dual) with firmware protection. Built-in 1 to 10 W degas ramp-up. Field replaceable. 電子能量 25 to 105 V, programmable 離子能量 8 or 12 V, programmable 焦點(diǎn)電壓 0 to 150 V, programmable 電子輸出電流 0 to 3.5 mA, programmable
規(guī)格 探針尺寸 8.75" from flange face to top of ionizer 探針孔徑 2.0" 探針安裝法蘭 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指示燈 Power ON/OFF, filament ON/OFF,degas ON/OFF, electron multiplierON/OFF, RS- 232 Busy, Error,Overpressure, Burnt Filament 預(yù)熱時(shí)間 Mass stability ±0.1 amu after 30 minutes 電腦接口 RS-232C, 28,800 baud with highlevel command set 軟件 Windows based application 電源要求 24 VDC @ 2.5 amps, male DB9 connector, optional built-in power module for AC line operation