Expert’s answer: Mass flow of a dry solid material

Want to measure mass flow of a dry solid material, huh? Ah, the challenge of solid flow. While you can find flow status indicators in the market, you’ll find very few solid flow devices. They also have a lot of limitations to deal with. Now, if your client only needs to receive the flow status in the control system, you have some options.

Solimotion for measuring mass flow of a dry solid material - Endress+Hauser
Endress+Hauser Solimotion

Most flow indicators use microwaves to detect the flow, making them non-contact devices. The device transmits microwaves, and the moving bulk solids reflect this signal. Then the device measures the strength of the reflections and frequency-shifted (Doppler effect) energy. Next, it analyzes this data and sends the results to the display or the signal output.

On the other hand, the ICENTA sensor uses a different method. It generates an electric field between the transmitting and the receiving electrodes. The reaction time of the sensor increases as soon as solid particles enter this electric field. Therefore, the sensor can read and analyze this change.

Here are some examples of solid flow indicators:

Maxxflow for measuring mass flow of a dry solid material- SWR Engineering
SWR Maxxflow

Now, if your client wants a totalization or continual value of the flow, you need a different solution.

Want to get more options for measuring mass flow of a dry solid material?

In that case, here are a few more options:

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