Tuning Fork, Precision Wave
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Liquid Tuning Fork Level Switch
The tuning fork is driven piezoelectric and vibrates at a mechanical response frequency of about 1200HZ. The piezoelectric structure is mechanically fixed and therefore not subject to the limit of sudden temperature change. If the tuning fork is covered by a medium, the frequency will change.
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Solid Tuning Fork Level Switch
The tuning fork is driven by piezoelectric actuators and vibrates at a mechanical response frequency of about 150Hz. If the tuning fork is covered by a medium, the frequency will change. This change is detected by the built-in electronic unit and converted into a switching instruction.
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