Vibrating Level Switch

Vibrating Level Switch

Vibrating Level Switch – Description

A Vibrating Level Switch is a level detection device used to monitor the presence or absence of liquids and bulk solids in tanks, silos, and vessels. It operates using a vibrating fork or rod that changes its vibration frequency when covered by the material being measured.

Working Principle:

  • A tuning fork or probe is continuously vibrated at its natural frequency.
  • When the material reaches the probe, the vibration frequency or amplitude changes.
  • The electronics detect this change and switch the output ON or OFF, indicating the level condition.
  • Specification
Parameter Description
Device Type Point level switch
Operating Principle Vibration frequency/amplitude detection
Sensing Element Vibrating fork or rod
Power Supply Typically 12–36 V DC or 85–265 V AC (model dependent)
Output Relay, PNP/NPN, or 4–20 mA switch output
Measured Media Liquids, powders, granules, and bulk solids
Mounting Side or top mounted
Applications Storage tanks, silos, hoppers, chemical and food industries
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