1. It relies on the pressure head of the measured medium to push the oval gear to rotate for measurement.
2. The larger the viscosity of the medium, the smaller the leakage from the gear and the metering air gap. Therefore, the larger the sticky skin of the medium to be measured, the smaller the leakage error, and the better it is for the measurement.http://www.jyflowmeter.com/ele....ctromagnetic-flow-me
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