What are the two primary types of gas meters used in natural gas systems?

The two primary types of gas meters used in natural gas systems are diaphragm meters and turbine meters.

Diaphragm meters are widely used in residential and light commercial applications due to their reliability and ability to measure low gas flow rates accurately. They operate using a flexible diaphragm that expands and contracts to measure the volume of gas passing through the meter, making them ideal for applications where precise measurement is critical.

Turbine meters, on the other hand, are utilized in larger commercial and industrial settings. They measure gas flow by having the gas move through a rotor or turbine that spins as gas flows. The speed at which the turbine spins correlates to the volume of gas passing through, hence providing accurate flow measurement at higher volumes.

These types of meters are essential in properly accounting for gas consumption, billing, and ensuring that systems operate within safe parameters. The other types of meters mentioned are used in specific applications or technological advancements but do not represent the primary types found in natural gas systems.