Why does the pointer shake when using a metal tube float flow meter?

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Sometimes, when metal tube flow meters are in use, the pointer may shake. What are the reasons for this? 1. Slight pointer vibration in metal tube float flow meters: This is usually caused by fluctuations in the medium, and it can be overcome by increasing damping. 2. Moderate pointer jitter: Usually caused by the flow condition of the medium. For gases, this is generally caused by unstable operating pressure of the medium; pressure stabilization or flow stabilization devices can be used to overcome this issue or increase the gas damping effect in float flow meters. 3. Severe pointer oscillation: This is mainly caused by medium pulsations, unstable air pressure, or discrepancies between the pressure, temperature, and flow rate specified by the user for gas operation and the actual conditions of the metal tube float flow meter, resulting in the float flow meter operating outside its range.