Teledyne 9110T - Nitrogen Oxides Analyzer - Manual (Page 328)

Model 9110T NOx Analyzer Principles of Operation
Teledyne Analytical Instruments 328
Figure 13-6: Basic Internal Gas Flow for Basic 9110T with Internal Pump
13.2.1.1. Vacuum Manifold
The vacuum created by the analyzer’s pump is supplied to all of the gas streams for the 9110T analyzer
through the vacuum manifold (also called the exhaust manifold).