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For low-flow sewage applications, the two most common choices are: Non-full pipe electromagnetic flow meters: These are a good option if the flow is relatively clean and you can ensure the sensor is always submerged during measurement. Doppler ultrasonic flow meters: These are often more...

1. Check/re-range your DP transmitter to a lower span for better sensitivity 2. Verify impulse lines aren't blocked with moisture from the scrubber 3. Confirm proper zero calibration of the transmitter 4. Consider a thermal mass flow meter for reliable low-flow measurement in air applications

This is a common but complex issue. First, verify the DCS is sending the correct and expected load reference signal. Then, systematically check for any active alarms or limits in the Mark VIe that might be restricting output (e.g., temperature spreads, vibration, auxiliary load limits). Often...

thanks , very useful

it should have air inside

non contact type flow meter is better .

coriolis is the best accuracy flow meter, it can still not measure gas content over 5% if you measure liquid .

magnetic flow meter with PTFE liner and suitable eletrodes can be used for HCL, refer to more information about acid resistance flow meter: https://www.silverinstruments.com/acid-resistant-flow-meters.html

if you want to measure steam, you can have one syphon , this is for decreasign the temperature , to avide harm the pressure gauge, see below picutre, syphon is as below picture shows:https://www.silverinstruments.com/product/pressure-measurement/pressure-gauge/

magnetic flowmeter accuracy is not affected by density , temperature or pressure. if you want to ensure the accuracy of magnetic flow meter, you need to calibrate it regularly. also level meter can not repalce magnetic flow meter. level meter is to measure level, magnetic flow meter is for flow...

open channel flow meter is a perfect solution for you , buy from below China flow meter supplier , cost for open channel flow meter is around USD300 https://www.silverinstruments.com/product/flow-measurement/

You can use turbine flow meter for RO water.

>A magmeter will not work with demineralized water. It's not conductive enough, use a >vortex shedding meter or a mass flow meter. yes ,you are right , but i prefer liquid turbine flow meter for demi water , it is more practical...

Batch controller, You can have a economical replacement choice, https://www.silverinstruments.com/product/flow-measurement/

Hi, We have this application before, and you can have a surface PT100, RTD. http://www.silverinstruments.com/product/flow-measurement/ Cheap Flow meter, China flow meter manufacture

Learn a lot from this topic. I happened to have the same situation to have negative value from a capacitance pressure sensor.

Square root extraction is done in the DP transmitters.

Thank you for your valuable advice.

You can have a flow computer, which gets your turbine flow meter signal then sends out 2 kinds of outputs.