What should I do if a false liquid level appears on the magnetic flap liquid level gauge?

The reason for the false liquid level in the magnetic flap level gauge The magnetic flap level gauge is developed based on the principle of buoyancy and magnetic coupling. Since the measurement and display part of the magnetic flap level gauge does not directly contact the medium, it usually has high reliability. Remember not to measure with electricity. When using a logic pen or oscilloscope to detect signals, use a multimeter to block the ohms. Be careful not to have the probe touch both measurement pins at the same time, as this is essentially a short circuit under power-up conditions. When repairing the instrument fault in a humid environment, it is necessary to use a multimeter to test whether the points of the printed circuit are unobstructed, because the main fault in this case is copper foil corrosion. When overhauling the internal circuit of the instrument, if insulating varnish is applied to the contacts of the installation components and the circuit board, when measuring the parameters of each point, ordinary hand-stitched needles can be welded to the test pen of the multimeter, so as to pierce the paint layer and directly measure each point without large area to peel off the paint layer. Do not plug and unplug various control boards and plugs with electricity. When the side-mounted magnetic flap liquid level gauge is disassembled and adjusted, the original position should be recorded for restoration. When repairing precision instruments, if you accidentally eject small parts, you can use magnet scanning and line-of-sight scanning methods to find them. The reasons for the false liquid level of the magnetic flap level gauge are as follows: 1. The external interference signal is too large, causing the circuit to obtain a false signal, not the actual measured signal; 2. The waveguide wire inside the level gauge Faults, such as looseness, poor sealing, water ingress and corrosion, etc., cause signal distortion; 3. The waveguide wire is not installed correctly, and the signal transmission is distorted; 4. Signal processing circuit failure
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