How to stabilize gas flow control with analytical instruments

Gas mass flow controller is a key component of analytical technologies such as mass spectrometry, chromatography, and combustion analysis. For example, as part of an ICP-MS device, a compact gas flow meter is used to supply gas to the reaction unit.

Gas mass flow meters are suitable for processes that require strict stable gas flow control, compactness, stability, and compatibility with the gas being used. In many analytical applications, a common factor is the need for a small stable airflow (flow range: 5 ml/min-1000 L/min), as airflow and its changes are directly visible in the measurement, and airflow stability is important.

Gas flow controller is an instrument suitable for various gas types, suitable for process gases with small gas flow rates such as 5 ml/min-1000 L/min.

In analytical equipment, the flow rate of the carrier gas directly affects the measurement results. For example, the retention time of a substance in a chromatographic column depends directly on the stability of the fluid. When the traffic fluctuates, the measurement also fluctuates.