30497 TGA Sampling System

Features 12 Air Sample Inlets and 4 Calibration Inlets

The TGA Custom Sampling System is used with a trace-gas analyzer in low-flow applications such as gradient flux or chamber measurements.  The main kit comprising part number 30497 includes the components and materials used to build a custom sampling system. The system features a manifold with 12 inlets for measuring sample air and 4 inlets for measuring calibration gases. The manifold is designed to deliver sample air from a selected inlet to the TGA and excess flow outlet, while maintaining air flow from all other sample inlets through a bypass. This constant flow allows the system to quickly reach equilibrium after switching valves. Conversely, a calibration gas inlet is only used when the calibration gas is flowing to the analyzer, thus conserving the calibration gases. 

The system ships in an ENC16/18 fiberglass enclosure and includes a valve manifold, pressure sensors, and flow sensors. The 30497 should also be ordered with an SDM-CD16S to control the valves, a CR3000, an NL116, and an appropriate sample dryer such as the PD1T. Most configurations also require a sample delivery pump and an analyzer pump. Contact Campbell Scientific to configure a sampling system for your application. 

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