Tuning Fork Level Switches for Liquid Level Detection

Instrava Curated Instruments — Built on a philosophy of carefully selected, proven technologies, our tuning fork level switchs deliver reliable, stable, and calibration-free level detection for industrial applications.

This tuning fork level switch for liquid level detection uses advanced vibration sensing technology to ensure accurate switching performance, even under turbulence, foam, viscosity, and high-pressure conditions.

✔ Calibration-free operation
✔ Maintenance-free design
✔ Reliable in harsh environments

Liquid Level Switches Description  

Tuning Fork Level Switch Advantages for Industrial Applications

Strong Adaptability Tuning Fork Level Switch for Harsh Conditions

Our tuning fork level switch for viscous liquids and turbulent environments is not affected by:

  • Scaling and buildup
  • Agitation and turbulence
  • Foam and bubbles
  • Medium viscosity and pressure

Ensuring stable performance in complex industrial processes.


Maintenance-Free Tuning Fork Level Switch with No Moving Parts

This maintenance-free tuning fork level switch uses a fully electronic detection system with:

  • No mechanical wear
  • Long operational life
  • Reduced downtime

Ideal for continuous industrial operation.


Calibration-Free Tuning Fork Level Switch for All Liquid Types

This calibration-free tuning fork level switch for liquid measurement operates independently of:

  • Dielectric constant
  • Conductivity
  • Density

No on-site adjustment is required, simplifying installation and operation.

Anti-corrosion coated tuning fork level gauge with special black-coated probe, specifically designed for measuring highly corrosive chemical media.
Instrava compact tuning fork level switch with threaded connection for level monitoring in pipes or small vessels.

Tuning Fork Level Switch Applications and Integration

Tuning Fork Level Switch for Tank Level Control in Multiple Industries

This tuning fork level switch for tank level detection is widely used in:

  • Chemical processing tanks
  • Oil & gas storage systems
  • Water and wastewater treatment
  • Food & beverage production
  • Pharmaceutical industries

Tuning Fork Level Switch with DPDT Relay Output for Alarm Control

Designed for high and low level alarm, this tuning fork level switch with relay output enables:

  • Pump protection
  • Overflow prevention
  • Dry-run protection

Explosion Proof Tuning Fork Level Switch for Hazardous Areas

Available in:

  • Intrinsically safe tuning fork level switch (Ex ia IICT4–T6)
  • Explosion-proof tuning fork level switch (Ex d IICT4–T6)

Ensuring safe operation in hazardous environments.

Liquid Level Switches Parameter  

Parameter Specification
Measuring Principle Tuning Fork Vibration
Medium Liquids
Operating Temperature -20°C to 150°C
Power Supply 24V DC / 220V AC (50/60Hz)
Output Mode DPDT Relay Contact
Contact Capacity 220VAC, 5A
Explosion-proof Grade Ex ia IICT4–T6 / Ex d IICT4–T6
Calibration Not Required
Maintenance Maintenance-Free
Installation Top or Side Mounting
Application High/Low Level Alarm

Instrava OEM/ODM

Tailored Sourcing & Customization: Getting You the Exact Product You Need

As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.

Finding the right product in a massive supply chain can be challenging. That is where we step in.

As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.

How We Customize to Fit Your Procurement Needs

  • For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.

  • For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.

  • For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.

Why Partner with Us for Custom Sourcing?

  • One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.

  • Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.

  • Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.

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Related Product Recommendations  

A tuning fork level switch operates using a vibrating fork driven by a piezoelectric element. When immersed in liquid, the vibration frequency changes, which is detected and converted into a switching signal.

A tuning fork level switch for liquids provides:

  • High reliability
  • No calibration requirement
  • Resistance to foam, bubbles, and turbulence
  • Maintenance-free operation

Yes, this industrial tuning fork level switch is designed for:

  • High temperature and pressure
  • Viscous or contaminated liquids
  • Turbulent and agitated conditions

No. A calibration-free tuning fork level switch works independently of liquid properties, eliminating the need for calibration.

Yes, explosion proof tuning fork level switches are available in:

  • Intrinsically safe (Ex ia)
  • Flameproof (Ex d)

Suitable for hazardous industrial environments.

A tuning fork level switch for tank level control is commonly used for:

  • High/low level alarms
  • Pump control
  • Overflow prevention
  • Dry-run protection

Why Trust Instrava?

We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.

Our very existence depends on helping you source the products that are the perfect fit for your needs.

Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.

We help you avoid intermediaries posing as factories.

We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.

Our multilingual team ensures effective communication.

For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.

Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.

Please place your trust in us.

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