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ESMYC 24vdc /220vac Powered tuning fork level switch for liquid solid particles

ESMYC tuning fork level switch uses a resonance detection principle. It relies on a piezoelectric element to drive the fork to vibrate at its natural frequency. When material covers the fork and suppresses its vibration, the instrument instantly outputs a switch signal, achieving fixed-point level monitoring and interlocking control. The product has a compact structure, with no rotating parts, motors, or wear, is not prone to jamming, operates stably, and requires almost no maintenance, making it suitable for long-term continuous industrial use. It features built-in intelligent filtering and anti-interference algorithms, effectively resisting the effects of dust, condensation, and minor material adhesion, providing sensitive detection, reliable operation, and rapid response. The probe is integrally formed from stainless steel and paired with PTFE isolation protection, making it waterproof, dustproof, corrosion-resistant, and oxidation-resistant. Options include high temperature, high pressure, explosion-proof, and sanitary polished models. It is widely applicable to ultrafine powders, light powders, crystalline granules, grains, chemical additives, and other media, commonly used in high-level overflow prevention and low-level material lock start/stop in warehouses, storage tanks, and hoppers across lithium battery, pharmaceutical, food, chemical, building materials, and environmental protection industries. Installation is flexible, with side or top mounting possible, and commissioning is extremely simple. It is a mainstream, general-purpose point level control instrument in the powder industry.

    Working Principle

    The tuning fork level switch drives the tuning fork to generate a natural vibration frequency of about 100Hz through piezoelectric ceramics. When the measured medium comes into contact with the tuning fork, the mass load of the vibration system changes, causing a shift in the resonant frequency, with a typical variation of about ±5Hz. The built-in microprocessor detects this frequency change and triggers a switch signal, thereby achieving level control.

    Product Features

    1.Strong adaptability: Unaffected by factors such as the density, conductivity, foam, or particle size of the medium. Harsh conditions like scaling, agitation, turbulence, bubbles, and vibration also do not impact detection, allowing stable operation under various complex working conditions.
    2. Maintenance-free design: The tuning fork uses an integrated structure with no moving parts, making it resistant to damage and reducing the frequency of downtime for maintenance. Additionally, high-frequency vibration effectively prevents medium adhesion and provides self-cleaning capability.
    3. Safe and reliable: Key components are made of corrosion-resistant materials, ensuring a long service life.

    Product Features

    1. Food and pharmaceuticals: flour, starch, powdered sugar, milk powder, medicinal powder
    2. Chemical industry: plastic powder, granules, light powder materials, resin
    3. New lithium battery materials: cathode powder, anode powder, ultrafine powders
    4. Building materials and electricity: ash powder, fine granular material silo high and low level alarms

    Product Features

    1. Food and pharmaceuticals: flour, starch, powdered sugar, milk powder, medicinal powder
    2. Chemical industry: plastic powder, granules, light powder materials, resin
    3. New lithium battery materials: cathode powder, anode powder, ultrafine powders
    4. Building materials and electricity: ash powder, fine granular material silo high and low level alarms

    Product detail

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    Technical Specifications

    Name

    ESMYC tuning fork level switch

    voltage

    AC220V/DC24V

    power

    ≤1W

    Ambient temperature

    Meter -30 ° C ~ 100 ° C

    Work pressure

    ≤2Mpa

    Media specific gravity

    >0.6g/cm3

    Action point

    Insert vertically into the water about 25mm

    Response time

    About 1 second

    output method

    A set of relay outputs (3A/220VAC; 3A/30VDC)

    Output delay

    Adjustable from 1 to 50 seconds

    Sensitivity

    Adjustable according to materials, can be set to 10

    Operating temperature

    Fork body -30~150 °C (can accept high temperature custom)

    Fork material

    SUS304, SUS316, etc.

    Connection method

    Various standard threads, flanges, chucks, acceptable customization

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