One of the things that Mizuno replicators are going to have to get to grips with is Vacuum systems. I must confess that my experience has been limited to 'roughing pump' territory and I found this free book (which is around $150 on Amazon) really helpful.
http://dmf.unicatt.it/~gavioli…cience_and_Technology.pdf
Particularly useful perhaps is this section.
The Measurement of Low Pressures 257
3.1.1 Overview 258
3.1.2 Direct Reading Gauges 260
3.1.3 Indirect Reading Gauges 265
3.1.4 Calibration of Vacuum Gauges 286
References 288
3.2 Mass Analysis and Partial Pressure Measurements 290
3.2.1 Overview and Applications 290
3.2.2 Inlet Systems 300
3.2.3 Ion Generation and Ion Sources 303
3.2.4 Ion Separation Analyzers 308
3.2.5 Detection of Ions 323
References 326
3.3 Practical Aspects of Vacuum System Mass Spectrometers 335
3.3.1 Historical Insight 335
3.3.2 Expected Gases in a Vacuum System 336
3.3.3 The Ion Generation Process 340
3.3.4 Techniques for Analysis 351
3.3.5 Calibration of Vacuum System Mass Spectrometers 364