Natural Gas Application Guide

Natural gas measurement is an area that Sage Thermal Mass Flow Meters excel in. There are various applications where natural gas flow rate needs to be determined, and among these applications include combustion control, submetering, reporting greenhouse gas emissions, and energy consumption and efficiency.

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Natural Gas Measurement

Gas Flow
Thermal mass flow meters excel in natural gas measurement for combustion control, submetering, reporting greenhouse gas emissions, and energy consumption and efficiency.


In today’s world, we are all becoming more aware of energy consumption and investigating methods for improving efficiency. The first step to improve efficiency is to establish a baseline by determining the natural gas usage, and thermal flow meters are ideal for this application.


Combustion sources may have different efficiencies. By measuring the natural gas flow rate, the user can determine which operation is more efficient. A Sage thermal mass flow meter is the perfect solution for measuring natural gas flow rates to individual combustion sources.

Greenhouse Gas Emissions

EPA 40 CFR Part 98 requires that major emitters report greenhouse gas emissions from their combustion sources. While multiple methods are permitted, the simplest is to measure the total amount of natural gas consumed and use EPA formulas to convert gas consumption to the various greenhouse gases emitted.


In more extensive facilities containing different cost centers, submetering natural gas and other utilities are frequently performed for cost allocations. When the cost of services is allocated to the various departments, there is an increased incentive to improve efficiency and reduce natural gas usage.

Sage Natural Gas Meter

Compared to other flow measurement technologies, the Sage Thermal Flow Meter obtains mass flow measurement without the need for temperature and pressure correction. The Sage meters provide excellent rangeability, outstanding low flow sensitivity, and do not have any pressure loss. Also, the insertion probe is easy to install directly into the pipe. Other flowmeter types may require increased installation costs to reduce the pipe size when retrofitting existing equipment.

When working in a hazardous area, note that the equipment must have appropriate agency approvals.

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