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1.Importance of Grounding for Lightning Protection: The housing of the radar level gauge should be connected to devices such as control cabinets, dedicated control consoles, and power cabinets, ensuring that the housing is adjacent to ordinary flat steel materials. The power supply of the instrument (e.g., the negative terminal of the 24V supply) should be connected to the grounding of the instrument and the input/output grounding of the accumulator to form an equipotential reference. Additionally, the grounding of intrinsically safe circuits, safety barriers, suppressor barriers, and other safety devices should also be considered for equipotential bonding with the reference point of the instrument.

2. Power supply lightning protection measures: The power supply

3.Trust Channel Surge Devices: For smart instruments equipped with trust channel surge protection, it is essential to ensure they possess accurate, stable, and flexible dynamic transmission capabilities. Additionally, during thunderstorms, these devices should effectively release over-voltage surges to the ground to ensure the safety of transmission.

4.Regular Inspection and Maintenance: should involve regular checks and maintenance of the power grounding, bus-bars, grounding bodies, surge protectors, and power supply lightning protection devices of smart instruments. Necessary replacements should be made promptly to ensure that the equipment remains in good condition at all times.