Float Level Switch – Reliable Liquid Level Detection Across Industries
Float level switches are widely used in industrial and commercial applications to detect liquid levels in tanks, vessels, and pipelines....
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Level Switchs
Tuning Fork Level Switch
Reliable point level detection for liquids, powders, and solid materials in industrial processes
Stable level switching independent of flow, bubbles, or material properties
Industrial-grade design for continuous operation
Suitable for liquids, powders, and granular solids
OEM / ODM and configuration options available
Designed for long-term, low-maintenance operation
A practical and proven solution for tank, silo, and process level control.
In industrial environments, level switches often fail due to false triggering, material variation, or frequent maintenance requirements. Instrava’s tuning fork level switch is designed to address these common challenges.
Designed for continuous operation in harsh industrial environments
Reduced maintenance frequency compared with mechanical or optical switches
Stable and repeatable output signals for PLC and control systems
Independent of conductivity, dielectric constant, or flow conditions
Proven performance across multiple industrial applications
By focusing on lifecycle stability rather than short-term cost, this solution helps reduce operational risk and total cost of ownership.
Liquid Level Switch Description
Tuning Fork Level Switch Engineering & Technical Selection
Measurement Principle
The tuning fork level switch uses a piezoelectric resonant system. Under free vibration, the fork oscillates at a fixed frequency. When material contacts the fork, vibration amplitude and frequency change due to damping, triggering a stable switching signal.
Accuracy & Reliability
Resonance-based detection ensures consistent switching behavior
Adjustable delay time prevents false alarms during filling or discharge
Suitable for variable process conditions without recalibration
Output & Integration
Relay output compatible with standard industrial control systems
LED indicators display fork vibration and output status, simplifying commissioning
Installation Considerations
Threaded or flanged mounting options
Rod length selectable to match tank, silo, or pipeline geometry
Tuning Fork Level Switch Applications & Industry Solutions
Water & Wastewater Treatment
Used for high and low level protection in tanks, channels, and treatment units where flow and turbulence are present.
Chemical Processing
Reliable point level detection in aggressive or variable media, independent of electrical properties.
Food & Bulk Material Handling
Suitable for powders and granular solids in silos and hoppers, supporting automated material control.
Oil & Gas & Energy
Applied in auxiliary systems and process vessels where stable switching and safety are critical.
OEM Equipment Integration
Commonly integrated into packaged skids, tanks, and process equipment for standardized level control.
Liquid Level Switch Parameter
Tuning Fork Level Switch Technical Specifications
| Parameter | Specification |
|---|---|
| Applicable Media | Liquid, Powder, Particle |
| Rod Length | Standard 250 mm; optional 100–3000 mm |
| Rod Material | SS304, SS316L |
| Medium Temperature | –40 ℃ to +130 ℃ |
| Ambient Temperature | –20 ℃ to +70 ℃ |
| Working Pressure | ≤ 2.5 MPa |
| Medium Density | Particle ≥ 0.1 g/cm³; Liquid ≥ 0.7 g/cm³ |
| Particle Diameter | ≤ 10 mm |
| Signal Output | Relay output, 3A / 220 VAC |
| Delay Time | 1–60 s adjustable |
| Process Connection | G1″, G3/4″ thread or flange (customizable) |
| Enclosure Rating | IP65 |
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
Related Product Recommendations
Tuning fork level switches are commonly used for point level detection in tanks, silos, and pipelines handling liquids, powders, and granular solids. They are suitable for industrial processes where stable switching is required regardless of flow or material properties.
The switch operates based on vibration resonance. When material contacts the tuning fork, vibration amplitude and frequency change due to damping, which is detected by internal electronics and converted into a reliable switching signal.
Yes. This tuning fork level switch is designed for use with liquids, powders, and particulate solids, provided the minimum density requirements are met, making it suitable for multi-process industrial environments.
No. The resonance-based measurement principle ensures stable operation independent of flow conditions, bubbles, turbulence, conductivity, or dielectric constant of the medium.
Customization options include rod length, wetted material selection, process connection type, output configuration, and delay time settings to match specific installation and application requirements.
Yes. Instrava provides engineering support, OEM/ODM services, and long-term supply stability, making this tuning fork level switch suitable for standardized equipment and multi-site industrial projects.
Why Choose Instrava
Built on Consistency, Not Claims
Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Strict Product Selection Criteria
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
Reliable Supply & Quality Consistency
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Practical, Experience-Based Support
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
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