Q1: What are the requirements for medium density in magnetic level gauges?
A: The density of the liquid medium is generally ≥ 0.6g/cm ³; When measuring the boundary position, it is recommended that the density difference between the two media be ≥ 0.06-0.08g/cm ³. Insufficient density can cause the float to fail to float, so it is essential to provide the actual medium density when placing an order.
Q2: What is the reason why the magnetic flip column does not follow the liquid level changes?
A: Common reasons: Float stuck by impurities, working condition overheating causing demagnetization of magnetic steel, and magnetic coupling failure. It is strictly prohibited to disassemble the instrument under pressure. The float should be checked after the machine is stopped to release pressure. It is forbidden to strike the flap indicator.
Q3: What should be done if the remote signal of the magnetic level gauge is inaccurate, but the on-site flipping display is normal?
A: The measurement of the instrument body is normal, but the fault lies in the remote transmitter. Check if the 24VDC power supply and wiring are loose; recalibrate the transmitter to 4-20mA output, without modifying the cylinder and float parts.
Q4: Can magnetic level gauges be used for viscous and easily scaling media?
A: Not suitable for highly viscous and severely coking and scaling media, as impurities can easily trap the float. Minor scaling conditions require regular maintenance and cleaning of the cylinder body; It is recommended to use other measurement methods for viscous media.
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