Question 1

1. Volumetric flowmeter, also known as constant displacement flowmeter.

Accepted Answer

It uses mechanical equipment measuring components to continuously divide the fluid into separate known parts of the volume. The total flow of the fluid volume is measured according to the frequency of repeatedly filling and draining part of the volume of the fluid in the measuring chamber.

Read more about Mass Flow Rate vs Volumetric Flow Rate

Question 2

2. Floating ball flowmeter, also known as motor rotor flowmeter.

Accepted Answer

It is a kind of variable total area flowmeter. In a vertical tapered tube that expands from bottom to top. The force of the floating ball with the annular cross-section is borne by the hydrodynamic force. In turn, the floating ball can be freely moved in the tapered tube. Raise and lower.

Extended reading: Gas Rotameter Tips

Question 3

3. Differential pressure flowmeter

Accepted Answer

It is an instrument that measures the total flow based on the gas pressure caused by the flow detection device installed in the pipeline, the known fluid standard and the specifications of the inspection room and the pipeline.

Question 4

4. Vortex Flowmeter

Accepted Answer

A non-streamlined vortex generator is placed in the fluid. The fluid is alternately separated on both sides of the generator to release two series of standard overlapping vortex meters.

Extended reading: 5 matters to pay attention to when choosing threaded Vortex Nitrogen Gas Flow Meter

Question 5

5. Turbocharger flow meter

Accepted Answer

It is a key type of rate flow meter. It uses a multi-leaf motor rotor (turbocharger) to experience the average water flow of the fluid. Then it calculates the total flow or total output.

Question 6

6. Ultrasonic flowmeter

Accepted Answer

A meter that measures the total flow rate based on the efficacy of the fluid fluidity on the ultrasonic beam (or ultrasonic single pulse).

Question 7

7. Thermal gas mass flow meter

Accepted Answer

The thermal flowmeter sensor includes 2 sensing technology components. A speed sensor and a temperature sensor. They compensate and calibrate the gas temperature changes fully automatically.

The electric heater part of the instrument heats the speed sensor to a certain time constant higher than the temperature of the working condition. A stable temperature difference is generated between the speed sensor and the sensor that measures the temperature of the working condition.

When the temperature difference does not change, the kinetic energy consumed by the electric heater. It can also be said that the heat dissipation value is proportional to the mass flow rate of the passing gas. It is suitable for the measurement of single gas and a fixed proportion of multiple gases.

Question 8

8. Coriolis flowmeter

Accepted Answer

The basic principle is to use the Coriolis force caused by the fluidity of the fluid in the vibrating tube. The force can be measured immediately or indirectly to obtain the fluid mass flow.

Extended reading: Liquid Mass Flow Meter

How To Reduce The Effect Of Pressure On The Mass Flow Meter?

Question 9

Hydrogen Gas Mass Flow Meter

Accepted Answer

Common gas flow meters include thermal mass flow meters, vortex flow meters, precession vortex flow meters, and gas ultrasonic flow meters.

Thermal Mass Flow Meter can directly measure the mass flow of various gases. Unaffected by changes in viscosity, density, temperature, or pressure.

A thermal Mass Flow Meter is a true mass flow meter. No temperature and pressure compensation is required. Thermal gas mass flow meters are designed based on the principle of thermal diffusion. Including natural gas, coal gas, liquefied gas, flare gas, argon, carbon dioxide and other mixed gas flow measurement.Previous

Read more LPG flow meters.

Question 12

Nitrogen Gas Flow Meter

Accepted Answer

There are many types of Nitrogen gas flow meters. There are three types of flow meters commonly used to measure nitrogen. Precession vortex flowmeter, gas vortex flowmeter, thermal gas mass flowmeter. When selecting a model, it is necessary to select a suitable model and specification according to the parameters and cost that can be provided on-site.