Highly sensitive vacuum ion pump current measurement system In an effort to reduce energy costs, S&S Dairy evaluated their vacuum pumping system to determine if efficiency gains and energy savings were possible. In 1998, S&S Dairy optimized the vacuum pumping system at their dairy farm in Modesto, California. Vacuum Pump System Optimization Saves Energy at a Dairy Farm Experiences from the thin film deposition, chemical processing, material handling, food processing and other industries, as well as space simulation are used to support conclusions and recommendations. The optimum pumping range, relative cost, performance limitations, maintenance problems, system operating costs and similar subjects are discussed. Vacuum pumps and systems: A review of current practiceĪ review of the fundamental characteristics of the many types of vacuum pumps and vacuum pumping systems is given. The overall GC/MS system has broad application to contaminants, hazardous materials, illegal drugs, pollution monitoring, etc., as well as for use by chemical weapon treaty verification teams, due to the light weight and portability thereof. The vacuum pumping section of the system consists of a sorption (getter) pump to remove atmospheric leakage and outgassing contaminants as well as the gas chromatograph carrier gas (hydrogen) and an ion pump to remove the argon from atmospheric leaks. The vacuum housing section of the system has minimum weight for portability while designed and constructed to utilize metal gasket sealed stainless steel to be compatible with high vacuum operation. Alger, Terry W.Ī vacuum housing and pumping system for a portable gas chromatograph/mass spectrometer (GC/MS). ![]() ![]() Mass spectrometer vacuum housing and pumping systemĪ vacuum housing and pumping system is described for a portable gas chromatograph/mass spectrometer (GC/MS).
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