Working principle of thermal mass flow meter gas


You may be interested to know about thermal mass flow meter gas along with its working principle in detail. This article can provide you with some comprehensive knowledge about the same.

Meaning of thermal fluids

‘Thermal Fluid’ is referred to as fluid and heat, where the former comprises of liquid, vapours and gas. In thermal fluid, volume, pressure and density play a significant role. The major activity that takes place while thermal fluid flows across different mediums is transfer of heat.

Low pressure gas flow meter

Low pressure gas flow meter

Thermal mass flow meter for gas

Flow meters are of three types based on industrial applications. The thermal Gas Mass Flow Meter is also called immersible or thermal dispersion mass flow gas device. This particular device comprises of a wide variety of devices to measure fluid’s total mass rate. Capillary tube meter is the other thermal dispersion type used. The third type is considered to be MFC (Mass Flow Controllers) a kind of immersible flow sensor. The percentage of global meter sales of this particular device is around 2%.

gas flow meter

gas flow meter

Functioning of Natural Gas Mass Flow Meter

To measure fluid rate, the fluid’s thermal properties are desired. In case of conventional fluid meters, there is passed heat to the heater present in the sensor. The process involves heat approaching the flowing fluid within the duct or the pipe. Increasing flow causes loss of heat. China Thermocouple is used for measuring fluid flows.

The flow and fluid device design of the thermal properties is what determines the total heat amount that is lost in the process. The fluid’s thermal properties might change based on pressure and temperature. However, such changes are considered to be quite small in majority of the applications. Constant thermal properties in fluids are likely to remain stable throughout the operations. To measure fluid flow, thermal gas flow meter is put to use.

Although, the fluid’s thermal properties may not have significant effects upon measurement process, somehow, fluid compositions dictate the same. For more details, refer to reputed portals like!

Thermal dispersion gas meter and its applications

Air emission is monitored with the help of thermal-immersible mass meters on the CEM (Continuous Emission Monitoring) system.

Pressure regulators and valves should be tested. Most gas applications should operate correctly. It also includes proper device operation and leak integrity.

Manufacturing operations also make use of Natural Gas Mass Flow Meter. It includes compressed air, drying process and combustion control. Such devices tend to measure natural gas that is otherwise related to the drying process.

This, in turn, helps in flow rate adjustment until there is derived proper flow rate for ultimate drying.

The steel production industry is known to use such flow sensors commonly for combustion control as well as to save precious energy. It also finds use in compressed air monitoring and nitrogen applications. Besides this, it is considered to be a suitable device to enhance product conservation and quality.

Paper & Pulp industry witnesses variety of applications using such device. It includes monitoring green gas emission, combustion air and compressed air.

China Thermocouple and thermal flow meters are applied in auxiliary boilers in central power plants. This is to cool off the generators and measure hydrogen level makeup. It also assists with natural air gas flow and compressed air flow.

It helps enhance plant management system and energy consumption including to measure natural gas flow.

This way, thermal Gas Flow Meter functions with the fluid’s thermal properties. Thus, it plays a vital role in the entire flow measurement process. Different industries make good use of such devices for different machinery types.

Factors to consider when investing in chemical flow meter


It could be that you are seeking gas flow meter for your business to enhance smooth operations. In such a case, you should consider a few factors to select the best device available in the market. Not all of them are designed to carry out similar activities.

gas flow meter

gas flow meter

The Natural Gas Mass Flow Meter is a crucial part to process chemicals. It allows you to know if the processing device functions efficiently or not. Using the most appropriate flow meter, it is possible to accurately measure the flow and identify if any leak exists in the pipelines.

The Gas Mass Flow Meter is designed to help you know the amount of fluid used currently for the process. The right meter can ensure managing the process control with great precision. Without one meant for chemical processing, it is not just possible to get accurate measurements. Buying cheap chemical flow meter will only cause material wastage, thereby resulting in financial losses. Hence, choose only devices.

Natural Gas Mass Flow Meter

Natural Gas Mass Flow Meter

Therefore, installing the best liquid chemical flow meter will impact your industry operations along with your business performance significantly.

Things to consider when purchasing Chemical Flow Meter

To choose the best and most appropriate Gas Flow Meter, it is necessary to take into consideration several aspects. It includes flow profile, flow range and fluid characteristics. The latter includes several phases, viscosity, turbidity, etc. Also take into consideration output-connective options along with mechanical restrictions. You can consult the professionals at to know which type of meter will suit your business requirements. Key factors to understand are given below:

Process media: There are present different types of meters to suit different operations. Hence, check the liquid type. Find out if it is gas or liquid. Get to know the limitations of every meter type including that of mass flow meter gas.

Measurement type: Also identify the measurement type desired – Volumetric or Mass flow measurement. Volumetric readings can be converted to mass measurements in the Gas Mass Flow Meter. However, a few volumetric measuring devices like variable-area and turbine device are not designed to differentiate temperature changes or density altering pressure. Perhaps, some additional sensor may be required to measure mass flow. You can look at different options including mass flow meter for gas.

Flow rate info: When gathering constant flow rate data, this is another aspect to consider. Primary flow device, transmitter, flow recorder, totalize and flow sensor is to be checked in the typical measurement device. Research more on liquid chemical flow meter!

Desired accuracy: Accuracy of the chemical liquid flow meter is another aspect to consider. Accuracy gets differentiated in the calibrated span or actual reading percentage. It is generally stated at minimum, normal and maximum flow rates. Understand better such requirements to choose the right flow meter for chemical feeder.

Application Environment: Plant’s variation also is a determining factor, if low or high flow range is desired. Pressure and temperature conditions are crucial parameters. Find out if you require chemical flow meter low flow or high flow device.

When purchasing chemical mass flow meter, there are other aspects to consider like fluid characteristics, cost and capabilities, etc.